Home / 14,243.05-21,364.58-9,316.84

Finding the Fourth Proportional to 14,243.05, 21,364.58 and 9,316.84

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Solution

The fourth proportional to 14,243.05, 21,364.58 and 9,316.84 is: 13,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.05 : 21,364.58 = 9,316.84 : x
  2. Step 2: Convert to fraction form
    14,243.05/21,364.58 = 9,316.84/x
  3. Step 3: Cross multiply
    14,243.05x = 21,364.58 × 9,316.84
  4. Step 4: Simplify right side
    14,243.05x = 199,050,373.53
  5. Step 5: Solve for x
    x = 199,050,373.53/14,243.05
  6. Step 6: Final answer
    x = 13,975.26

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Double scale
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Similar ratio
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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.