Home / 13,385.52-20,077.74-6,368.94

Finding the Fourth Proportional to 13,385.52, 20,077.74 and 6,368.94

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Solution

The fourth proportional to 13,385.52, 20,077.74 and 6,368.94 is: 9,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.52 : 20,077.74 = 6,368.94 : x
  2. Step 2: Convert to fraction form
    13,385.52/20,077.74 = 6,368.94/x
  3. Step 3: Cross multiply
    13,385.52x = 20,077.74 × 6,368.94
  4. Step 4: Simplify right side
    13,385.52x = 127,873,921.40
  5. Step 5: Solve for x
    x = 127,873,921.40/13,385.52
  6. Step 6: Final answer
    x = 9,553.15

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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.