Home / 12,624.32-17,405.36-10,347.28

Finding the Fourth Proportional to 12,624.32, 17,405.36 and 10,347.28

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Solution

The fourth proportional to 12,624.32, 17,405.36 and 10,347.28 is: 14,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.32 : 17,405.36 = 10,347.28 : x
  2. Step 2: Convert to fraction form
    12,624.32/17,405.36 = 10,347.28/x
  3. Step 3: Cross multiply
    12,624.32x = 17,405.36 × 10,347.28
  4. Step 4: Simplify right side
    12,624.32x = 180,098,133.42
  5. Step 5: Solve for x
    x = 180,098,133.42/12,624.32
  6. Step 6: Final answer
    x = 14,265.97

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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.