Home / 10,279.10-15,402.24-6,109.22

Finding the Fourth Proportional to 10,279.10, 15,402.24 and 6,109.22

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Solution

The fourth proportional to 10,279.10, 15,402.24 and 6,109.22 is: 9,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.10 : 15,402.24 = 6,109.22 : x
  2. Step 2: Convert to fraction form
    10,279.10/15,402.24 = 6,109.22/x
  3. Step 3: Cross multiply
    10,279.10x = 15,402.24 × 6,109.22
  4. Step 4: Simplify right side
    10,279.10x = 94,095,595.64
  5. Step 5: Solve for x
    x = 94,095,595.64/10,279.10
  6. Step 6: Final answer
    x = 9,154.07

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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.