Home / 10,290.48-15,435.74-2,499.28

Finding the Fourth Proportional to 10,290.48, 15,435.74 and 2,499.28

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Solution

The fourth proportional to 10,290.48, 15,435.74 and 2,499.28 is: 3,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.48 : 15,435.74 = 2,499.28 : x
  2. Step 2: Convert to fraction form
    10,290.48/15,435.74 = 2,499.28/x
  3. Step 3: Cross multiply
    10,290.48x = 15,435.74 × 2,499.28
  4. Step 4: Simplify right side
    10,290.48x = 38,578,236.27
  5. Step 5: Solve for x
    x = 38,578,236.27/10,290.48
  6. Step 6: Final answer
    x = 3,748.92

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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.