Home / 15,271.62-22,907.88-5,417.70

Finding the Fourth Proportional to 15,271.62, 22,907.88 and 5,417.70

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Solution

The fourth proportional to 15,271.62, 22,907.88 and 5,417.70 is: 8,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.62 : 22,907.88 = 5,417.70 : x
  2. Step 2: Convert to fraction form
    15,271.62/22,907.88 = 5,417.70/x
  3. Step 3: Cross multiply
    15,271.62x = 22,907.88 × 5,417.70
  4. Step 4: Simplify right side
    15,271.62x = 124,108,021.48
  5. Step 5: Solve for x
    x = 124,108,021.48/15,271.62
  6. Step 6: Final answer
    x = 8,126.71

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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.