Home / 9,470.31-13,070.55-7,449.16

Finding the Fourth Proportional to 9,470.31, 13,070.55 and 7,449.16

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Solution

The fourth proportional to 9,470.31, 13,070.55 and 7,449.16 is: 10,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.31 : 13,070.55 = 7,449.16 : x
  2. Step 2: Convert to fraction form
    9,470.31/13,070.55 = 7,449.16/x
  3. Step 3: Cross multiply
    9,470.31x = 13,070.55 × 7,449.16
  4. Step 4: Simplify right side
    9,470.31x = 97,364,618.24
  5. Step 5: Solve for x
    x = 97,364,618.24/9,470.31
  6. Step 6: Final answer
    x = 10,281.04

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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.