Home / 10,865.04-14,997.61-6,614.16

Finding the Fourth Proportional to 10,865.04, 14,997.61 and 6,614.16

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Solution

The fourth proportional to 10,865.04, 14,997.61 and 6,614.16 is: 9,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.04 : 14,997.61 = 6,614.16 : x
  2. Step 2: Convert to fraction form
    10,865.04/14,997.61 = 6,614.16/x
  3. Step 3: Cross multiply
    10,865.04x = 14,997.61 × 6,614.16
  4. Step 4: Simplify right side
    10,865.04x = 99,196,592.16
  5. Step 5: Solve for x
    x = 99,196,592.16/10,865.04
  6. Step 6: Final answer
    x = 9,129.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.