Home / 15,285.88-21,095.40-9,624.16

Finding the Fourth Proportional to 15,285.88, 21,095.40 and 9,624.16

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Solution

The fourth proportional to 15,285.88, 21,095.40 and 9,624.16 is: 13,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.88 : 21,095.40 = 9,624.16 : x
  2. Step 2: Convert to fraction form
    15,285.88/21,095.40 = 9,624.16/x
  3. Step 3: Cross multiply
    15,285.88x = 21,095.40 × 9,624.16
  4. Step 4: Simplify right side
    15,285.88x = 203,025,504.86
  5. Step 5: Solve for x
    x = 203,025,504.86/15,285.88
  6. Step 6: Final answer
    x = 13,281.90

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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.