Home / 10,436.52-15,655.02-4,197.16

Finding the Fourth Proportional to 10,436.52, 15,655.02 and 4,197.16

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Solution

The fourth proportional to 10,436.52, 15,655.02 and 4,197.16 is: 6,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.52 : 15,655.02 = 4,197.16 : x
  2. Step 2: Convert to fraction form
    10,436.52/15,655.02 = 4,197.16/x
  3. Step 3: Cross multiply
    10,436.52x = 15,655.02 × 4,197.16
  4. Step 4: Simplify right side
    10,436.52x = 65,706,623.74
  5. Step 5: Solve for x
    x = 65,706,623.74/10,436.52
  6. Step 6: Final answer
    x = 6,295.84

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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.