Home / 10,323.20-14,239.64-9,063.28

Finding the Fourth Proportional to 10,323.20, 14,239.64 and 9,063.28

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Solution

The fourth proportional to 10,323.20, 14,239.64 and 9,063.28 is: 12,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.20 : 14,239.64 = 9,063.28 : x
  2. Step 2: Convert to fraction form
    10,323.20/14,239.64 = 9,063.28/x
  3. Step 3: Cross multiply
    10,323.20x = 14,239.64 × 9,063.28
  4. Step 4: Simplify right side
    10,323.20x = 129,057,844.42
  5. Step 5: Solve for x
    x = 129,057,844.42/10,323.20
  6. Step 6: Final answer
    x = 12,501.73

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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.