Home / 19,416.60-29,100.50-8,310.24

Finding the Fourth Proportional to 19,416.60, 29,100.50 and 8,310.24

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Solution

The fourth proportional to 19,416.60, 29,100.50 and 8,310.24 is: 12,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.60 : 29,100.50 = 8,310.24 : x
  2. Step 2: Convert to fraction form
    19,416.60/29,100.50 = 8,310.24/x
  3. Step 3: Cross multiply
    19,416.60x = 29,100.50 × 8,310.24
  4. Step 4: Simplify right side
    19,416.60x = 241,832,139.12
  5. Step 5: Solve for x
    x = 241,832,139.12/19,416.60
  6. Step 6: Final answer
    x = 12,454.92

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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.