Home / 15,988.56-22,058.84-9,271.74

Finding the Fourth Proportional to 15,988.56, 22,058.84 and 9,271.74

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Solution

The fourth proportional to 15,988.56, 22,058.84 and 9,271.74 is: 12,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.56 : 22,058.84 = 9,271.74 : x
  2. Step 2: Convert to fraction form
    15,988.56/22,058.84 = 9,271.74/x
  3. Step 3: Cross multiply
    15,988.56x = 22,058.84 × 9,271.74
  4. Step 4: Simplify right side
    15,988.56x = 204,523,769.64
  5. Step 5: Solve for x
    x = 204,523,769.64/15,988.56
  6. Step 6: Final answer
    x = 12,791.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.