Home / 21,549.56-32,326.76-9,859.64

Finding the Fourth Proportional to 21,549.56, 32,326.76 and 9,859.64

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Solution

The fourth proportional to 21,549.56, 32,326.76 and 9,859.64 is: 14,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549.56 : 32,326.76 = 9,859.64 : x
  2. Step 2: Convert to fraction form
    21,549.56/32,326.76 = 9,859.64/x
  3. Step 3: Cross multiply
    21,549.56x = 32,326.76 × 9,859.64
  4. Step 4: Simplify right side
    21,549.56x = 318,730,215.97
  5. Step 5: Solve for x
    x = 318,730,215.97/21,549.56
  6. Step 6: Final answer
    x = 14,790.57

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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.