Home / 15,126.75-22,690.13-4,182.75

Finding the Fourth Proportional to 15,126.75, 22,690.13 and 4,182.75

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Solution

The fourth proportional to 15,126.75, 22,690.13 and 4,182.75 is: 6,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.75 : 22,690.13 = 4,182.75 : x
  2. Step 2: Convert to fraction form
    15,126.75/22,690.13 = 4,182.75/x
  3. Step 3: Cross multiply
    15,126.75x = 22,690.13 × 4,182.75
  4. Step 4: Simplify right side
    15,126.75x = 94,907,141.26
  5. Step 5: Solve for x
    x = 94,907,141.26/15,126.75
  6. Step 6: Final answer
    x = 6,274.13

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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.