Home / 11,272.96-16,916.16-6,279.52

Finding the Fourth Proportional to 11,272.96, 16,916.16 and 6,279.52

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Solution

The fourth proportional to 11,272.96, 16,916.16 and 6,279.52 is: 9,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.96 : 16,916.16 = 6,279.52 : x
  2. Step 2: Convert to fraction form
    11,272.96/16,916.16 = 6,279.52/x
  3. Step 3: Cross multiply
    11,272.96x = 16,916.16 × 6,279.52
  4. Step 4: Simplify right side
    11,272.96x = 106,225,365.04
  5. Step 5: Solve for x
    x = 106,225,365.04/11,272.96
  6. Step 6: Final answer
    x = 9,423.02

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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.