Home / 9,427.92-13,010.24-5,339.28

Finding the Fourth Proportional to 9,427.92, 13,010.24 and 5,339.28

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Solution

The fourth proportional to 9,427.92, 13,010.24 and 5,339.28 is: 7,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.92 : 13,010.24 = 5,339.28 : x
  2. Step 2: Convert to fraction form
    9,427.92/13,010.24 = 5,339.28/x
  3. Step 3: Cross multiply
    9,427.92x = 13,010.24 × 5,339.28
  4. Step 4: Simplify right side
    9,427.92x = 69,465,314.23
  5. Step 5: Solve for x
    x = 69,465,314.23/9,427.92
  6. Step 6: Final answer
    x = 7,368.04

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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.