Home / 9,532.76-13,159.68-6,391.04

Finding the Fourth Proportional to 9,532.76, 13,159.68 and 6,391.04

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Solution

The fourth proportional to 9,532.76, 13,159.68 and 6,391.04 is: 8,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,532.76 : 13,159.68 = 6,391.04 : x
  2. Step 2: Convert to fraction form
    9,532.76/13,159.68 = 6,391.04/x
  3. Step 3: Cross multiply
    9,532.76x = 13,159.68 × 6,391.04
  4. Step 4: Simplify right side
    9,532.76x = 84,104,041.27
  5. Step 5: Solve for x
    x = 84,104,041.27/9,532.76
  6. Step 6: Final answer
    x = 8,822.63

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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.