Home / 10,717.92-16,077.69-2,925.72

Finding the Fourth Proportional to 10,717.92, 16,077.69 and 2,925.72

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Solution

The fourth proportional to 10,717.92, 16,077.69 and 2,925.72 is: 4,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.92 : 16,077.69 = 2,925.72 : x
  2. Step 2: Convert to fraction form
    10,717.92/16,077.69 = 2,925.72/x
  3. Step 3: Cross multiply
    10,717.92x = 16,077.69 × 2,925.72
  4. Step 4: Simplify right side
    10,717.92x = 47,038,819.19
  5. Step 5: Solve for x
    x = 47,038,819.19/10,717.92
  6. Step 6: Final answer
    x = 4,388.80

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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.