Home / 10,426.82-15,641.76-3,030.32

Finding the Fourth Proportional to 10,426.82, 15,641.76 and 3,030.32

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Solution

The fourth proportional to 10,426.82, 15,641.76 and 3,030.32 is: 4,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.82 : 15,641.76 = 3,030.32 : x
  2. Step 2: Convert to fraction form
    10,426.82/15,641.76 = 3,030.32/x
  3. Step 3: Cross multiply
    10,426.82x = 15,641.76 × 3,030.32
  4. Step 4: Simplify right side
    10,426.82x = 47,399,459.95
  5. Step 5: Solve for x
    x = 47,399,459.95/10,426.82
  6. Step 6: Final answer
    x = 4,545.92

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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.