Home / 10,294.90-15,434.15-4,447.51

Finding the Fourth Proportional to 10,294.90, 15,434.15 and 4,447.51

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Solution

The fourth proportional to 10,294.90, 15,434.15 and 4,447.51 is: 6,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.90 : 15,434.15 = 4,447.51 : x
  2. Step 2: Convert to fraction form
    10,294.90/15,434.15 = 4,447.51/x
  3. Step 3: Cross multiply
    10,294.90x = 15,434.15 × 4,447.51
  4. Step 4: Simplify right side
    10,294.90x = 68,643,475.64
  5. Step 5: Solve for x
    x = 68,643,475.64/10,294.90
  6. Step 6: Final answer
    x = 6,667.72

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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.