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Finding the Fourth Proportional to 15,464, 23,215.12 and 14,647.52

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Solution

The fourth proportional to 15,464, 23,215.12 and 14,647.52 is: 21,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464 : 23,215.12 = 14,647.52 : x
  2. Step 2: Convert to fraction form
    15,464/23,215.12 = 14,647.52/x
  3. Step 3: Cross multiply
    15,464x = 23,215.12 × 14,647.52
  4. Step 4: Simplify right side
    15,464x = 340,043,934.50
  5. Step 5: Solve for x
    x = 340,043,934.50/15,464
  6. Step 6: Final answer
    x = 21,989.39

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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.