Home / 9,348.80-12,901.48-5,157.04

Finding the Fourth Proportional to 9,348.80, 12,901.48 and 5,157.04

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Solution

The fourth proportional to 9,348.80, 12,901.48 and 5,157.04 is: 7,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.80 : 12,901.48 = 5,157.04 : x
  2. Step 2: Convert to fraction form
    9,348.80/12,901.48 = 5,157.04/x
  3. Step 3: Cross multiply
    9,348.80x = 12,901.48 × 5,157.04
  4. Step 4: Simplify right side
    9,348.80x = 66,533,448.42
  5. Step 5: Solve for x
    x = 66,533,448.42/9,348.80
  6. Step 6: Final answer
    x = 7,116.79

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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.