Home / 15,669.20-21,624.86-8,597

Finding the Fourth Proportional to 15,669.20, 21,624.86 and 8,597

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Solution

The fourth proportional to 15,669.20, 21,624.86 and 8,597 is: 11,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.20 : 21,624.86 = 8,597 : x
  2. Step 2: Convert to fraction form
    15,669.20/21,624.86 = 8,597/x
  3. Step 3: Cross multiply
    15,669.20x = 21,624.86 × 8,597
  4. Step 4: Simplify right side
    15,669.20x = 185,908,921.42
  5. Step 5: Solve for x
    x = 185,908,921.42/15,669.20
  6. Step 6: Final answer
    x = 11,864.61

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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.