Home / 9,020.11-12,439.70-5,663.24

Finding the Fourth Proportional to 9,020.11, 12,439.70 and 5,663.24

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Solution

The fourth proportional to 9,020.11, 12,439.70 and 5,663.24 is: 7,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.11 : 12,439.70 = 5,663.24 : x
  2. Step 2: Convert to fraction form
    9,020.11/12,439.70 = 5,663.24/x
  3. Step 3: Cross multiply
    9,020.11x = 12,439.70 × 5,663.24
  4. Step 4: Simplify right side
    9,020.11x = 70,448,978.31
  5. Step 5: Solve for x
    x = 70,448,978.31/9,020.11
  6. Step 6: Final answer
    x = 7,810.21

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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.