Home / 15,581.45-23,331.17-9,326.63

Finding the Fourth Proportional to 15,581.45, 23,331.17 and 9,326.63

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Solution

The fourth proportional to 15,581.45, 23,331.17 and 9,326.63 is: 13,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.45 : 23,331.17 = 9,326.63 : x
  2. Step 2: Convert to fraction form
    15,581.45/23,331.17 = 9,326.63/x
  3. Step 3: Cross multiply
    15,581.45x = 23,331.17 × 9,326.63
  4. Step 4: Simplify right side
    15,581.45x = 217,601,271.70
  5. Step 5: Solve for x
    x = 217,601,271.70/15,581.45
  6. Step 6: Final answer
    x = 13,965.40

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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.