Home / 11,242.55-15,514.71-7,050.80

Finding the Fourth Proportional to 11,242.55, 15,514.71 and 7,050.80

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Solution

The fourth proportional to 11,242.55, 15,514.71 and 7,050.80 is: 9,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.55 : 15,514.71 = 7,050.80 : x
  2. Step 2: Convert to fraction form
    11,242.55/15,514.71 = 7,050.80/x
  3. Step 3: Cross multiply
    11,242.55x = 15,514.71 × 7,050.80
  4. Step 4: Simplify right side
    11,242.55x = 109,391,101.84
  5. Step 5: Solve for x
    x = 109,391,101.84/11,242.55
  6. Step 6: Final answer
    x = 9,730.10

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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.