Home / 17,720.32-26,565.38-7,854.22

Finding the Fourth Proportional to 17,720.32, 26,565.38 and 7,854.22

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Solution

The fourth proportional to 17,720.32, 26,565.38 and 7,854.22 is: 11,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.32 : 26,565.38 = 7,854.22 : x
  2. Step 2: Convert to fraction form
    17,720.32/26,565.38 = 7,854.22/x
  3. Step 3: Cross multiply
    17,720.32x = 26,565.38 × 7,854.22
  4. Step 4: Simplify right side
    17,720.32x = 208,650,338.90
  5. Step 5: Solve for x
    x = 208,650,338.90/17,720.32
  6. Step 6: Final answer
    x = 11,774.64

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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.