Home / 9,439.47-13,025.21-5,459.13

Finding the Fourth Proportional to 9,439.47, 13,025.21 and 5,459.13

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Solution

The fourth proportional to 9,439.47, 13,025.21 and 5,459.13 is: 7,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.47 : 13,025.21 = 5,459.13 : x
  2. Step 2: Convert to fraction form
    9,439.47/13,025.21 = 5,459.13/x
  3. Step 3: Cross multiply
    9,439.47x = 13,025.21 × 5,459.13
  4. Step 4: Simplify right side
    9,439.47x = 71,106,287.37
  5. Step 5: Solve for x
    x = 71,106,287.37/9,439.47
  6. Step 6: Final answer
    x = 7,532.87

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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.