Home / 15,180.32-22,765.08-9,319.28

Finding the Fourth Proportional to 15,180.32, 22,765.08 and 9,319.28

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Solution

The fourth proportional to 15,180.32, 22,765.08 and 9,319.28 is: 13,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.32 : 22,765.08 = 9,319.28 : x
  2. Step 2: Convert to fraction form
    15,180.32/22,765.08 = 9,319.28/x
  3. Step 3: Cross multiply
    15,180.32x = 22,765.08 × 9,319.28
  4. Step 4: Simplify right side
    15,180.32x = 212,154,154.74
  5. Step 5: Solve for x
    x = 212,154,154.74/15,180.32
  6. Step 6: Final answer
    x = 13,975.60

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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.