Home / 21,572.76-32,345.73-9,086.35

Finding the Fourth Proportional to 21,572.76, 32,345.73 and 9,086.35

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Solution

The fourth proportional to 21,572.76, 32,345.73 and 9,086.35 is: 13,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.76 : 32,345.73 = 9,086.35 : x
  2. Step 2: Convert to fraction form
    21,572.76/32,345.73 = 9,086.35/x
  3. Step 3: Cross multiply
    21,572.76x = 32,345.73 × 9,086.35
  4. Step 4: Simplify right side
    21,572.76x = 293,904,623.79
  5. Step 5: Solve for x
    x = 293,904,623.79/21,572.76
  6. Step 6: Final answer
    x = 13,623.88

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1.5x scale

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.