Home / 21,560.18-32,301.79-11,693.16

Finding the Fourth Proportional to 21,560.18, 32,301.79 and 11,693.16

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Solution

The fourth proportional to 21,560.18, 32,301.79 and 11,693.16 is: 17,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560.18 : 32,301.79 = 11,693.16 : x
  2. Step 2: Convert to fraction form
    21,560.18/32,301.79 = 11,693.16/x
  3. Step 3: Cross multiply
    21,560.18x = 32,301.79 × 11,693.16
  4. Step 4: Simplify right side
    21,560.18x = 377,710,134.50
  5. Step 5: Solve for x
    x = 377,710,134.50/21,560.18
  6. Step 6: Final answer
    x = 17,518.88

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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.