Home / 9,624.72-14,470.02-8,903.28

Finding the Fourth Proportional to 9,624.72, 14,470.02 and 8,903.28

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Solution

The fourth proportional to 9,624.72, 14,470.02 and 8,903.28 is: 13,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,624.72 : 14,470.02 = 8,903.28 : x
  2. Step 2: Convert to fraction form
    9,624.72/14,470.02 = 8,903.28/x
  3. Step 3: Cross multiply
    9,624.72x = 14,470.02 × 8,903.28
  4. Step 4: Simplify right side
    9,624.72x = 128,830,639.67
  5. Step 5: Solve for x
    x = 128,830,639.67/9,624.72
  6. Step 6: Final answer
    x = 13,385.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.