Home / 10,253.19-15,381.24-4,988.49

Finding the Fourth Proportional to 10,253.19, 15,381.24 and 4,988.49

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Solution

The fourth proportional to 10,253.19, 15,381.24 and 4,988.49 is: 7,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.19 : 15,381.24 = 4,988.49 : x
  2. Step 2: Convert to fraction form
    10,253.19/15,381.24 = 4,988.49/x
  3. Step 3: Cross multiply
    10,253.19x = 15,381.24 × 4,988.49
  4. Step 4: Simplify right side
    10,253.19x = 76,729,161.93
  5. Step 5: Solve for x
    x = 76,729,161.93/10,253.19
  6. Step 6: Final answer
    x = 7,483.44

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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.