Home / 15,126.36-20,874.27-8,411.93

Finding the Fourth Proportional to 15,126.36, 20,874.27 and 8,411.93

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Solution

The fourth proportional to 15,126.36, 20,874.27 and 8,411.93 is: 11,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.36 : 20,874.27 = 8,411.93 : x
  2. Step 2: Convert to fraction form
    15,126.36/20,874.27 = 8,411.93/x
  3. Step 3: Cross multiply
    15,126.36x = 20,874.27 × 8,411.93
  4. Step 4: Simplify right side
    15,126.36x = 175,592,898.04
  5. Step 5: Solve for x
    x = 175,592,898.04/15,126.36
  6. Step 6: Final answer
    x = 11,608.40

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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.