Home / 21,340.04-32,010.05-8,185.23

Finding the Fourth Proportional to 21,340.04, 32,010.05 and 8,185.23

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Solution

The fourth proportional to 21,340.04, 32,010.05 and 8,185.23 is: 12,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.04 : 32,010.05 = 8,185.23 : x
  2. Step 2: Convert to fraction form
    21,340.04/32,010.05 = 8,185.23/x
  3. Step 3: Cross multiply
    21,340.04x = 32,010.05 × 8,185.23
  4. Step 4: Simplify right side
    21,340.04x = 262,009,642.02
  5. Step 5: Solve for x
    x = 262,009,642.02/21,340.04
  6. Step 6: Final answer
    x = 12,277.85

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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.