Home / 10,397.28-14,323.92-7,247.84

Finding the Fourth Proportional to 10,397.28, 14,323.92 and 7,247.84

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Solution

The fourth proportional to 10,397.28, 14,323.92 and 7,247.84 is: 9,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.28 : 14,323.92 = 7,247.84 : x
  2. Step 2: Convert to fraction form
    10,397.28/14,323.92 = 7,247.84/x
  3. Step 3: Cross multiply
    10,397.28x = 14,323.92 × 7,247.84
  4. Step 4: Simplify right side
    10,397.28x = 103,817,480.33
  5. Step 5: Solve for x
    x = 103,817,480.33/10,397.28
  6. Step 6: Final answer
    x = 9,985.06

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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.