Home / 10,614.17-15,920.69-4,374.07

Finding the Fourth Proportional to 10,614.17, 15,920.69 and 4,374.07

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Solution

The fourth proportional to 10,614.17, 15,920.69 and 4,374.07 is: 6,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.17 : 15,920.69 = 4,374.07 : x
  2. Step 2: Convert to fraction form
    10,614.17/15,920.69 = 4,374.07/x
  3. Step 3: Cross multiply
    10,614.17x = 15,920.69 × 4,374.07
  4. Step 4: Simplify right side
    10,614.17x = 69,638,150.84
  5. Step 5: Solve for x
    x = 69,638,150.84/10,614.17
  6. Step 6: Final answer
    x = 6,560.86

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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.