Home / 15,126.94-20,874.93-8,411.74

Finding the Fourth Proportional to 15,126.94, 20,874.93 and 8,411.74

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Solution

The fourth proportional to 15,126.94, 20,874.93 and 8,411.74 is: 11,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.94 : 20,874.93 = 8,411.74 : x
  2. Step 2: Convert to fraction form
    15,126.94/20,874.93 = 8,411.74/x
  3. Step 3: Cross multiply
    15,126.94x = 20,874.93 × 8,411.74
  4. Step 4: Simplify right side
    15,126.94x = 175,594,483.68
  5. Step 5: Solve for x
    x = 175,594,483.68/15,126.94
  6. Step 6: Final answer
    x = 11,608.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.