Home / 15,150.80-20,894.28-9,552.08

Finding the Fourth Proportional to 15,150.80, 20,894.28 and 9,552.08

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Solution

The fourth proportional to 15,150.80, 20,894.28 and 9,552.08 is: 13,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.80 : 20,894.28 = 9,552.08 : x
  2. Step 2: Convert to fraction form
    15,150.80/20,894.28 = 9,552.08/x
  3. Step 3: Cross multiply
    15,150.80x = 20,894.28 × 9,552.08
  4. Step 4: Simplify right side
    15,150.80x = 199,583,834.10
  5. Step 5: Solve for x
    x = 199,583,834.10/15,150.80
  6. Step 6: Final answer
    x = 13,173.15

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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.