Home / 9,348.87-12,901.49-5,157.12

Finding the Fourth Proportional to 9,348.87, 12,901.49 and 5,157.12

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Solution

The fourth proportional to 9,348.87, 12,901.49 and 5,157.12 is: 7,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.87 : 12,901.49 = 5,157.12 : x
  2. Step 2: Convert to fraction form
    9,348.87/12,901.49 = 5,157.12/x
  3. Step 3: Cross multiply
    9,348.87x = 12,901.49 × 5,157.12
  4. Step 4: Simplify right side
    9,348.87x = 66,534,506.32
  5. Step 5: Solve for x
    x = 66,534,506.32/9,348.87
  6. Step 6: Final answer
    x = 7,116.85

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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.