Home / 19,832.40-29,730.37-8,580.71

Finding the Fourth Proportional to 19,832.40, 29,730.37 and 8,580.71

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Solution

The fourth proportional to 19,832.40, 29,730.37 and 8,580.71 is: 12,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.40 : 29,730.37 = 8,580.71 : x
  2. Step 2: Convert to fraction form
    19,832.40/29,730.37 = 8,580.71/x
  3. Step 3: Cross multiply
    19,832.40x = 29,730.37 × 8,580.71
  4. Step 4: Simplify right side
    19,832.40x = 255,107,683.16
  5. Step 5: Solve for x
    x = 255,107,683.16/19,832.40
  6. Step 6: Final answer
    x = 12,863.18

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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.