Home / 11,279.69-15,560.80-7,302.08

Finding the Fourth Proportional to 11,279.69, 15,560.80 and 7,302.08

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Solution

The fourth proportional to 11,279.69, 15,560.80 and 7,302.08 is: 10,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.69 : 15,560.80 = 7,302.08 : x
  2. Step 2: Convert to fraction form
    11,279.69/15,560.80 = 7,302.08/x
  3. Step 3: Cross multiply
    11,279.69x = 15,560.80 × 7,302.08
  4. Step 4: Simplify right side
    11,279.69x = 113,626,206.46
  5. Step 5: Solve for x
    x = 113,626,206.46/11,279.69
  6. Step 6: Final answer
    x = 10,073.53

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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.