Home / 15,148.88-22,721.70-5,288.35

Finding the Fourth Proportional to 15,148.88, 22,721.70 and 5,288.35

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Solution

The fourth proportional to 15,148.88, 22,721.70 and 5,288.35 is: 7,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.88 : 22,721.70 = 5,288.35 : x
  2. Step 2: Convert to fraction form
    15,148.88/22,721.70 = 5,288.35/x
  3. Step 3: Cross multiply
    15,148.88x = 22,721.70 × 5,288.35
  4. Step 4: Simplify right side
    15,148.88x = 120,160,302.20
  5. Step 5: Solve for x
    x = 120,160,302.20/15,148.88
  6. Step 6: Final answer
    x = 7,931.96

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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.