Home / 12,925.36-19,373.15-7,382.68

Finding the Fourth Proportional to 12,925.36, 19,373.15 and 7,382.68

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Solution

The fourth proportional to 12,925.36, 19,373.15 and 7,382.68 is: 11,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.36 : 19,373.15 = 7,382.68 : x
  2. Step 2: Convert to fraction form
    12,925.36/19,373.15 = 7,382.68/x
  3. Step 3: Cross multiply
    12,925.36x = 19,373.15 × 7,382.68
  4. Step 4: Simplify right side
    12,925.36x = 143,025,773.39
  5. Step 5: Solve for x
    x = 143,025,773.39/12,925.36
  6. Step 6: Final answer
    x = 11,065.52

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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.