Home / 13,542.60-18,697.48-8,764.90

Finding the Fourth Proportional to 13,542.60, 18,697.48 and 8,764.90

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Solution

The fourth proportional to 13,542.60, 18,697.48 and 8,764.90 is: 12,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.60 : 18,697.48 = 8,764.90 : x
  2. Step 2: Convert to fraction form
    13,542.60/18,697.48 = 8,764.90/x
  3. Step 3: Cross multiply
    13,542.60x = 18,697.48 × 8,764.90
  4. Step 4: Simplify right side
    13,542.60x = 163,881,542.45
  5. Step 5: Solve for x
    x = 163,881,542.45/13,542.60
  6. Step 6: Final answer
    x = 12,101.19

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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.