Home / 15,126.90-22,690.99-4,738.74

Finding the Fourth Proportional to 15,126.90, 22,690.99 and 4,738.74

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Solution

The fourth proportional to 15,126.90, 22,690.99 and 4,738.74 is: 7,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.90 : 22,690.99 = 4,738.74 : x
  2. Step 2: Convert to fraction form
    15,126.90/22,690.99 = 4,738.74/x
  3. Step 3: Cross multiply
    15,126.90x = 22,690.99 × 4,738.74
  4. Step 4: Simplify right side
    15,126.90x = 107,526,701.95
  5. Step 5: Solve for x
    x = 107,526,701.95/15,126.90
  6. Step 6: Final answer
    x = 7,108.31

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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.