Home / 10,267.77-15,321.01-9,640.83

Finding the Fourth Proportional to 10,267.77, 15,321.01 and 9,640.83

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Solution

The fourth proportional to 10,267.77, 15,321.01 and 9,640.83 is: 14,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.77 : 15,321.01 = 9,640.83 : x
  2. Step 2: Convert to fraction form
    10,267.77/15,321.01 = 9,640.83/x
  3. Step 3: Cross multiply
    10,267.77x = 15,321.01 × 9,640.83
  4. Step 4: Simplify right side
    10,267.77x = 147,707,228.74
  5. Step 5: Solve for x
    x = 147,707,228.74/10,267.77
  6. Step 6: Final answer
    x = 14,385.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.