Home / 15,442.61-23,196.02-12,484.40

Finding the Fourth Proportional to 15,442.61, 23,196.02 and 12,484.40

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Solution

The fourth proportional to 15,442.61, 23,196.02 and 12,484.40 is: 18,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.61 : 23,196.02 = 12,484.40 : x
  2. Step 2: Convert to fraction form
    15,442.61/23,196.02 = 12,484.40/x
  3. Step 3: Cross multiply
    15,442.61x = 23,196.02 × 12,484.40
  4. Step 4: Simplify right side
    15,442.61x = 289,588,387.66
  5. Step 5: Solve for x
    x = 289,588,387.66/15,442.61
  6. Step 6: Final answer
    x = 18,752.55

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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.