Home / 14,707.60-22,061.40-8,486.80

Finding the Fourth Proportional to 14,707.60, 22,061.40 and 8,486.80

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Solution

The fourth proportional to 14,707.60, 22,061.40 and 8,486.80 is: 12,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.60 : 22,061.40 = 8,486.80 : x
  2. Step 2: Convert to fraction form
    14,707.60/22,061.40 = 8,486.80/x
  3. Step 3: Cross multiply
    14,707.60x = 22,061.40 × 8,486.80
  4. Step 4: Simplify right side
    14,707.60x = 187,230,689.52
  5. Step 5: Solve for x
    x = 187,230,689.52/14,707.60
  6. Step 6: Final answer
    x = 12,730.20

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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.