Home / 10,154.99-14,013.78-5,617.87

Finding the Fourth Proportional to 10,154.99, 14,013.78 and 5,617.87

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Solution

The fourth proportional to 10,154.99, 14,013.78 and 5,617.87 is: 7,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.99 : 14,013.78 = 5,617.87 : x
  2. Step 2: Convert to fraction form
    10,154.99/14,013.78 = 5,617.87/x
  3. Step 3: Cross multiply
    10,154.99x = 14,013.78 × 5,617.87
  4. Step 4: Simplify right side
    10,154.99x = 78,727,616.97
  5. Step 5: Solve for x
    x = 78,727,616.97/10,154.99
  6. Step 6: Final answer
    x = 7,752.61

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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.