Home / 14,423.13-21,653.37-13,830.81

Finding the Fourth Proportional to 14,423.13, 21,653.37 and 13,830.81

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Solution

The fourth proportional to 14,423.13, 21,653.37 and 13,830.81 is: 20,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.13 : 21,653.37 = 13,830.81 : x
  2. Step 2: Convert to fraction form
    14,423.13/21,653.37 = 13,830.81/x
  3. Step 3: Cross multiply
    14,423.13x = 21,653.37 × 13,830.81
  4. Step 4: Simplify right side
    14,423.13x = 299,483,646.33
  5. Step 5: Solve for x
    x = 299,483,646.33/14,423.13
  6. Step 6: Final answer
    x = 20,764.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.