Home / 12,425.96-18,639.64-5,030.24

Finding the Fourth Proportional to 12,425.96, 18,639.64 and 5,030.24

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Solution

The fourth proportional to 12,425.96, 18,639.64 and 5,030.24 is: 7,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.96 : 18,639.64 = 5,030.24 : x
  2. Step 2: Convert to fraction form
    12,425.96/18,639.64 = 5,030.24/x
  3. Step 3: Cross multiply
    12,425.96x = 18,639.64 × 5,030.24
  4. Step 4: Simplify right side
    12,425.96x = 93,761,862.71
  5. Step 5: Solve for x
    x = 93,761,862.71/12,425.96
  6. Step 6: Final answer
    x = 7,545.64

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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.