Home / 10,430.32-14,416.34-9,226.78

Finding the Fourth Proportional to 10,430.32, 14,416.34 and 9,226.78

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Solution

The fourth proportional to 10,430.32, 14,416.34 and 9,226.78 is: 12,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.32 : 14,416.34 = 9,226.78 : x
  2. Step 2: Convert to fraction form
    10,430.32/14,416.34 = 9,226.78/x
  3. Step 3: Cross multiply
    10,430.32x = 14,416.34 × 9,226.78
  4. Step 4: Simplify right side
    10,430.32x = 133,016,397.59
  5. Step 5: Solve for x
    x = 133,016,397.59/10,430.32
  6. Step 6: Final answer
    x = 12,752.86

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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.