Home / 10,279.08-15,419.40-4,036.08

Finding the Fourth Proportional to 10,279.08, 15,419.40 and 4,036.08

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Solution

The fourth proportional to 10,279.08, 15,419.40 and 4,036.08 is: 6,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.08 : 15,419.40 = 4,036.08 : x
  2. Step 2: Convert to fraction form
    10,279.08/15,419.40 = 4,036.08/x
  3. Step 3: Cross multiply
    10,279.08x = 15,419.40 × 4,036.08
  4. Step 4: Simplify right side
    10,279.08x = 62,233,931.95
  5. Step 5: Solve for x
    x = 62,233,931.95/10,279.08
  6. Step 6: Final answer
    x = 6,054.43

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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.