Home / 12,562.43-18,845.33-6,642.18

Finding the Fourth Proportional to 12,562.43, 18,845.33 and 6,642.18

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Solution

The fourth proportional to 12,562.43, 18,845.33 and 6,642.18 is: 9,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.43 : 18,845.33 = 6,642.18 : x
  2. Step 2: Convert to fraction form
    12,562.43/18,845.33 = 6,642.18/x
  3. Step 3: Cross multiply
    12,562.43x = 18,845.33 × 6,642.18
  4. Step 4: Simplify right side
    12,562.43x = 125,174,040.81
  5. Step 5: Solve for x
    x = 125,174,040.81/12,562.43
  6. Step 6: Final answer
    x = 9,964.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.