Home / 21,626.34-32,427.66-9,766.20

Finding the Fourth Proportional to 21,626.34, 32,427.66 and 9,766.20

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Solution

The fourth proportional to 21,626.34, 32,427.66 and 9,766.20 is: 14,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.34 : 32,427.66 = 9,766.20 : x
  2. Step 2: Convert to fraction form
    21,626.34/32,427.66 = 9,766.20/x
  3. Step 3: Cross multiply
    21,626.34x = 32,427.66 × 9,766.20
  4. Step 4: Simplify right side
    21,626.34x = 316,695,013.09
  5. Step 5: Solve for x
    x = 316,695,013.09/21,626.34
  6. Step 6: Final answer
    x = 14,643.95

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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.