Home / 15,261.95-22,996.91-12,549.38

Finding the Fourth Proportional to 15,261.95, 22,996.91 and 12,549.38

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Solution

The fourth proportional to 15,261.95, 22,996.91 and 12,549.38 is: 18,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.95 : 22,996.91 = 12,549.38 : x
  2. Step 2: Convert to fraction form
    15,261.95/22,996.91 = 12,549.38/x
  3. Step 3: Cross multiply
    15,261.95x = 22,996.91 × 12,549.38
  4. Step 4: Simplify right side
    15,261.95x = 288,596,784.68
  5. Step 5: Solve for x
    x = 288,596,784.68/15,261.95
  6. Step 6: Final answer
    x = 18,909.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.