Home / 10,118.40-15,175.86-4,570.46

Finding the Fourth Proportional to 10,118.40, 15,175.86 and 4,570.46

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Solution

The fourth proportional to 10,118.40, 15,175.86 and 4,570.46 is: 6,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.40 : 15,175.86 = 4,570.46 : x
  2. Step 2: Convert to fraction form
    10,118.40/15,175.86 = 4,570.46/x
  3. Step 3: Cross multiply
    10,118.40x = 15,175.86 × 4,570.46
  4. Step 4: Simplify right side
    10,118.40x = 69,360,661.10
  5. Step 5: Solve for x
    x = 69,360,661.10/10,118.40
  6. Step 6: Final answer
    x = 6,854.90

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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.