Home / 9,117.29-13,657.68-4,180.14

Finding the Fourth Proportional to 9,117.29, 13,657.68 and 4,180.14

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Solution

The fourth proportional to 9,117.29, 13,657.68 and 4,180.14 is: 6,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.29 : 13,657.68 = 4,180.14 : x
  2. Step 2: Convert to fraction form
    9,117.29/13,657.68 = 4,180.14/x
  3. Step 3: Cross multiply
    9,117.29x = 13,657.68 × 4,180.14
  4. Step 4: Simplify right side
    9,117.29x = 57,091,014.48
  5. Step 5: Solve for x
    x = 57,091,014.48/9,117.29
  6. Step 6: Final answer
    x = 6,261.84

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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.