Home / 19,447.79-29,164.40-8,348.76

Finding the Fourth Proportional to 19,447.79, 29,164.40 and 8,348.76

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Solution

The fourth proportional to 19,447.79, 29,164.40 and 8,348.76 is: 12,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.79 : 29,164.40 = 8,348.76 : x
  2. Step 2: Convert to fraction form
    19,447.79/29,164.40 = 8,348.76/x
  3. Step 3: Cross multiply
    19,447.79x = 29,164.40 × 8,348.76
  4. Step 4: Simplify right side
    19,447.79x = 243,486,534.40
  5. Step 5: Solve for x
    x = 243,486,534.40/19,447.79
  6. Step 6: Final answer
    x = 12,520.01

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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.