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Finding the Fourth Proportional to 15,308.60, 22,968.63 and 10,424.30

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Solution

The fourth proportional to 15,308.60, 22,968.63 and 10,424.30 is: 15,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.60 : 22,968.63 = 10,424.30 : x
  2. Step 2: Convert to fraction form
    15,308.60/22,968.63 = 10,424.30/x
  3. Step 3: Cross multiply
    15,308.60x = 22,968.63 × 10,424.30
  4. Step 4: Simplify right side
    15,308.60x = 239,431,774.87
  5. Step 5: Solve for x
    x = 239,431,774.87/15,308.60
  6. Step 6: Final answer
    x = 15,640.35

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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.