Home / 19,931.70-29,901.15-8,246.10

Finding the Fourth Proportional to 19,931.70, 29,901.15 and 8,246.10

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Solution

The fourth proportional to 19,931.70, 29,901.15 and 8,246.10 is: 12,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.70 : 29,901.15 = 8,246.10 : x
  2. Step 2: Convert to fraction form
    19,931.70/29,901.15 = 8,246.10/x
  3. Step 3: Cross multiply
    19,931.70x = 29,901.15 × 8,246.10
  4. Step 4: Simplify right side
    19,931.70x = 246,567,873.02
  5. Step 5: Solve for x
    x = 246,567,873.02/19,931.70
  6. Step 6: Final answer
    x = 12,370.64

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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.