Home / 15,501.78-23,252.67-10,905.30

Finding the Fourth Proportional to 15,501.78, 23,252.67 and 10,905.30

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Solution

The fourth proportional to 15,501.78, 23,252.67 and 10,905.30 is: 16,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.78 : 23,252.67 = 10,905.30 : x
  2. Step 2: Convert to fraction form
    15,501.78/23,252.67 = 10,905.30/x
  3. Step 3: Cross multiply
    15,501.78x = 23,252.67 × 10,905.30
  4. Step 4: Simplify right side
    15,501.78x = 253,577,342.15
  5. Step 5: Solve for x
    x = 253,577,342.15/15,501.78
  6. Step 6: Final answer
    x = 16,357.95

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Similar ratio
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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.