Home / 8,976.32-13,438.56-5,693.12

Finding the Fourth Proportional to 8,976.32, 13,438.56 and 5,693.12

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Solution

The fourth proportional to 8,976.32, 13,438.56 and 5,693.12 is: 8,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.32 : 13,438.56 = 5,693.12 : x
  2. Step 2: Convert to fraction form
    8,976.32/13,438.56 = 5,693.12/x
  3. Step 3: Cross multiply
    8,976.32x = 13,438.56 × 5,693.12
  4. Step 4: Simplify right side
    8,976.32x = 76,507,334.71
  5. Step 5: Solve for x
    x = 76,507,334.71/8,976.32
  6. Step 6: Final answer
    x = 8,523.24

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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.