Home / 9,748.32-13,454.18-6,400.83

Finding the Fourth Proportional to 9,748.32, 13,454.18 and 6,400.83

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Solution

The fourth proportional to 9,748.32, 13,454.18 and 6,400.83 is: 8,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748.32 : 13,454.18 = 6,400.83 : x
  2. Step 2: Convert to fraction form
    9,748.32/13,454.18 = 6,400.83/x
  3. Step 3: Cross multiply
    9,748.32x = 13,454.18 × 6,400.83
  4. Step 4: Simplify right side
    9,748.32x = 86,117,918.97
  5. Step 5: Solve for x
    x = 86,117,918.97/9,748.32
  6. Step 6: Final answer
    x = 8,834.13

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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.