Home / 17,480.64-26,220.96-6,387.84

Finding the Fourth Proportional to 17,480.64, 26,220.96 and 6,387.84

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Solution

The fourth proportional to 17,480.64, 26,220.96 and 6,387.84 is: 9,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.64 : 26,220.96 = 6,387.84 : x
  2. Step 2: Convert to fraction form
    17,480.64/26,220.96 = 6,387.84/x
  3. Step 3: Cross multiply
    17,480.64x = 26,220.96 × 6,387.84
  4. Step 4: Simplify right side
    17,480.64x = 167,495,297.13
  5. Step 5: Solve for x
    x = 167,495,297.13/17,480.64
  6. Step 6: Final answer
    x = 9,581.76

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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.