Home / 10,290.13-15,435.20-2,498.89

Finding the Fourth Proportional to 10,290.13, 15,435.20 and 2,498.89

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Solution

The fourth proportional to 10,290.13, 15,435.20 and 2,498.89 is: 3,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.13 : 15,435.20 = 2,498.89 : x
  2. Step 2: Convert to fraction form
    10,290.13/15,435.20 = 2,498.89/x
  3. Step 3: Cross multiply
    10,290.13x = 15,435.20 × 2,498.89
  4. Step 4: Simplify right side
    10,290.13x = 38,570,866.93
  5. Step 5: Solve for x
    x = 38,570,866.93/10,290.13
  6. Step 6: Final answer
    x = 3,748.34

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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.