Home / 21,948.59-32,922.81-8,810.19

Finding the Fourth Proportional to 21,948.59, 32,922.81 and 8,810.19

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Solution

The fourth proportional to 21,948.59, 32,922.81 and 8,810.19 is: 13,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.59 : 32,922.81 = 8,810.19 : x
  2. Step 2: Convert to fraction form
    21,948.59/32,922.81 = 8,810.19/x
  3. Step 3: Cross multiply
    21,948.59x = 32,922.81 × 8,810.19
  4. Step 4: Simplify right side
    21,948.59x = 290,056,211.43
  5. Step 5: Solve for x
    x = 290,056,211.43/21,948.59
  6. Step 6: Final answer
    x = 13,215.26

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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.