Home / 9,118.17-13,677.54-2,878.24

Finding the Fourth Proportional to 9,118.17, 13,677.54 and 2,878.24

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Solution

The fourth proportional to 9,118.17, 13,677.54 and 2,878.24 is: 4,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.17 : 13,677.54 = 2,878.24 : x
  2. Step 2: Convert to fraction form
    9,118.17/13,677.54 = 2,878.24/x
  3. Step 3: Cross multiply
    9,118.17x = 13,677.54 × 2,878.24
  4. Step 4: Simplify right side
    9,118.17x = 39,367,242.73
  5. Step 5: Solve for x
    x = 39,367,242.73/9,118.17
  6. Step 6: Final answer
    x = 4,317.45

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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.