Home / 14,755.50-20,358.27-8,784.18

Finding the Fourth Proportional to 14,755.50, 20,358.27 and 8,784.18

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Solution

The fourth proportional to 14,755.50, 20,358.27 and 8,784.18 is: 12,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.50 : 20,358.27 = 8,784.18 : x
  2. Step 2: Convert to fraction form
    14,755.50/20,358.27 = 8,784.18/x
  3. Step 3: Cross multiply
    14,755.50x = 20,358.27 × 8,784.18
  4. Step 4: Simplify right side
    14,755.50x = 178,830,708.17
  5. Step 5: Solve for x
    x = 178,830,708.17/14,755.50
  6. Step 6: Final answer
    x = 12,119.60

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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.