Home / 9,125.26-13,710.95-8,756.20

Finding the Fourth Proportional to 9,125.26, 13,710.95 and 8,756.20

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Solution

The fourth proportional to 9,125.26, 13,710.95 and 8,756.20 is: 13,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.26 : 13,710.95 = 8,756.20 : x
  2. Step 2: Convert to fraction form
    9,125.26/13,710.95 = 8,756.20/x
  3. Step 3: Cross multiply
    9,125.26x = 13,710.95 × 8,756.20
  4. Step 4: Simplify right side
    9,125.26x = 120,055,857.37
  5. Step 5: Solve for x
    x = 120,055,857.37/9,125.26
  6. Step 6: Final answer
    x = 13,156.44

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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.