Home / 10,881.25-15,017.95-6,168.27

Finding the Fourth Proportional to 10,881.25, 15,017.95 and 6,168.27

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Solution

The fourth proportional to 10,881.25, 15,017.95 and 6,168.27 is: 8,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.25 : 15,017.95 = 6,168.27 : x
  2. Step 2: Convert to fraction form
    10,881.25/15,017.95 = 6,168.27/x
  3. Step 3: Cross multiply
    10,881.25x = 15,017.95 × 6,168.27
  4. Step 4: Simplify right side
    10,881.25x = 92,634,679.94
  5. Step 5: Solve for x
    x = 92,634,679.94/10,881.25
  6. Step 6: Final answer
    x = 8,513.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.