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Finding the Fourth Proportional to 15,244.60, 22,866.90 and 12,838.90

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Solution

The fourth proportional to 15,244.60, 22,866.90 and 12,838.90 is: 19,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.60 : 22,866.90 = 12,838.90 : x
  2. Step 2: Convert to fraction form
    15,244.60/22,866.90 = 12,838.90/x
  3. Step 3: Cross multiply
    15,244.60x = 22,866.90 × 12,838.90
  4. Step 4: Simplify right side
    15,244.60x = 293,585,842.41
  5. Step 5: Solve for x
    x = 293,585,842.41/15,244.60
  6. Step 6: Final answer
    x = 19,258.35

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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.