Home / 19,981.18-29,971.80-6,833.68

Finding the Fourth Proportional to 19,981.18, 29,971.80 and 6,833.68

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Solution

The fourth proportional to 19,981.18, 29,971.80 and 6,833.68 is: 10,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.18 : 29,971.80 = 6,833.68 : x
  2. Step 2: Convert to fraction form
    19,981.18/29,971.80 = 6,833.68/x
  3. Step 3: Cross multiply
    19,981.18x = 29,971.80 × 6,833.68
  4. Step 4: Simplify right side
    19,981.18x = 204,817,690.22
  5. Step 5: Solve for x
    x = 204,817,690.22/19,981.18
  6. Step 6: Final answer
    x = 10,250.53

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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.