Home / 14,746.50-20,350.17-8,122.50

Finding the Fourth Proportional to 14,746.50, 20,350.17 and 8,122.50

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Solution

The fourth proportional to 14,746.50, 20,350.17 and 8,122.50 is: 11,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.50 : 20,350.17 = 8,122.50 : x
  2. Step 2: Convert to fraction form
    14,746.50/20,350.17 = 8,122.50/x
  3. Step 3: Cross multiply
    14,746.50x = 20,350.17 × 8,122.50
  4. Step 4: Simplify right side
    14,746.50x = 165,294,255.83
  5. Step 5: Solve for x
    x = 165,294,255.83/14,746.50
  6. Step 6: Final answer
    x = 11,209.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.