Home / 14,279.76-21,452.49-10,130.04

Finding the Fourth Proportional to 14,279.76, 21,452.49 and 10,130.04

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Solution

The fourth proportional to 14,279.76, 21,452.49 and 10,130.04 is: 15,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.76 : 21,452.49 = 10,130.04 : x
  2. Step 2: Convert to fraction form
    14,279.76/21,452.49 = 10,130.04/x
  3. Step 3: Cross multiply
    14,279.76x = 21,452.49 × 10,130.04
  4. Step 4: Simplify right side
    14,279.76x = 217,314,581.80
  5. Step 5: Solve for x
    x = 217,314,581.80/14,279.76
  6. Step 6: Final answer
    x = 15,218.36

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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.