Home / 14,404.05-21,517.39-10,421.23

Finding the Fourth Proportional to 14,404.05, 21,517.39 and 10,421.23

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Solution

The fourth proportional to 14,404.05, 21,517.39 and 10,421.23 is: 15,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.05 : 21,517.39 = 10,421.23 : x
  2. Step 2: Convert to fraction form
    14,404.05/21,517.39 = 10,421.23/x
  3. Step 3: Cross multiply
    14,404.05x = 21,517.39 × 10,421.23
  4. Step 4: Simplify right side
    14,404.05x = 224,237,670.19
  5. Step 5: Solve for x
    x = 224,237,670.19/14,404.05
  6. Step 6: Final answer
    x = 15,567.68

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Double scale
Find fourth proportional to 14,405.05, 21,518.88 and 10,422.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.