Home / 20,641.91-30,967.27-6,410.07

Finding the Fourth Proportional to 20,641.91, 30,967.27 and 6,410.07

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Solution

The fourth proportional to 20,641.91, 30,967.27 and 6,410.07 is: 9,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641.91 : 30,967.27 = 6,410.07 : x
  2. Step 2: Convert to fraction form
    20,641.91/30,967.27 = 6,410.07/x
  3. Step 3: Cross multiply
    20,641.91x = 30,967.27 × 6,410.07
  4. Step 4: Simplify right side
    20,641.91x = 198,502,352.38
  5. Step 5: Solve for x
    x = 198,502,352.38/20,641.91
  6. Step 6: Final answer
    x = 9,616.47

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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.