Home / 15,315.61-22,962.60-5,947.84

Finding the Fourth Proportional to 15,315.61, 22,962.60 and 5,947.84

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Solution

The fourth proportional to 15,315.61, 22,962.60 and 5,947.84 is: 8,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.61 : 22,962.60 = 5,947.84 : x
  2. Step 2: Convert to fraction form
    15,315.61/22,962.60 = 5,947.84/x
  3. Step 3: Cross multiply
    15,315.61x = 22,962.60 × 5,947.84
  4. Step 4: Simplify right side
    15,315.61x = 136,577,870.78
  5. Step 5: Solve for x
    x = 136,577,870.78/15,315.61
  6. Step 6: Final answer
    x = 8,917.56

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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.