Home / 15,344.28-21,083.34-12,195.00

Finding the Fourth Proportional to 15,344.28, 21,083.34 and 12,195.00

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Solution

The fourth proportional to 15,344.28, 21,083.34 and 12,195.00 is: 16,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.28 : 21,083.34 = 12,195.00 : x
  2. Step 2: Convert to fraction form
    15,344.28/21,083.34 = 12,195.00/x
  3. Step 3: Cross multiply
    15,344.28x = 21,083.34 × 12,195.00
  4. Step 4: Simplify right side
    15,344.28x = 257,111,164.91
  5. Step 5: Solve for x
    x = 257,111,164.91/15,344.28
  6. Step 6: Final answer
    x = 16,756.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.