Home / 19,812.60-29,702.52-15,449.40

Finding the Fourth Proportional to 19,812.60, 29,702.52 and 15,449.40

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Solution

The fourth proportional to 19,812.60, 29,702.52 and 15,449.40 is: 23,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.60 : 29,702.52 = 15,449.40 : x
  2. Step 2: Convert to fraction form
    19,812.60/29,702.52 = 15,449.40/x
  3. Step 3: Cross multiply
    19,812.60x = 29,702.52 × 15,449.40
  4. Step 4: Simplify right side
    19,812.60x = 458,886,112.49
  5. Step 5: Solve for x
    x = 458,886,112.49/19,812.60
  6. Step 6: Final answer
    x = 23,161.33

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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.