Home / 18,294.91-27,439.18-5,144.16

Finding the Fourth Proportional to 18,294.91, 27,439.18 and 5,144.16

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Solution

The fourth proportional to 18,294.91, 27,439.18 and 5,144.16 is: 7,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.91 : 27,439.18 = 5,144.16 : x
  2. Step 2: Convert to fraction form
    18,294.91/27,439.18 = 5,144.16/x
  3. Step 3: Cross multiply
    18,294.91x = 27,439.18 × 5,144.16
  4. Step 4: Simplify right side
    18,294.91x = 141,151,532.19
  5. Step 5: Solve for x
    x = 141,151,532.19/18,294.91
  6. Step 6: Final answer
    x = 7,715.34

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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.