Home / 19,565.89-29,342.66-6,415.18

Finding the Fourth Proportional to 19,565.89, 29,342.66 and 6,415.18

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Solution

The fourth proportional to 19,565.89, 29,342.66 and 6,415.18 is: 9,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.89 : 29,342.66 = 6,415.18 : x
  2. Step 2: Convert to fraction form
    19,565.89/29,342.66 = 6,415.18/x
  3. Step 3: Cross multiply
    19,565.89x = 29,342.66 × 6,415.18
  4. Step 4: Simplify right side
    19,565.89x = 188,238,340.15
  5. Step 5: Solve for x
    x = 188,238,340.15/19,565.89
  6. Step 6: Final answer
    x = 9,620.74

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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.