Home / 15,549.35-23,316.72-5,681.72

Finding the Fourth Proportional to 15,549.35, 23,316.72 and 5,681.72

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Solution

The fourth proportional to 15,549.35, 23,316.72 and 5,681.72 is: 8,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.35 : 23,316.72 = 5,681.72 : x
  2. Step 2: Convert to fraction form
    15,549.35/23,316.72 = 5,681.72/x
  3. Step 3: Cross multiply
    15,549.35x = 23,316.72 × 5,681.72
  4. Step 4: Simplify right side
    15,549.35x = 132,478,957.77
  5. Step 5: Solve for x
    x = 132,478,957.77/15,549.35
  6. Step 6: Final answer
    x = 8,519.91

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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.