Home / 15,344.77-21,084.02-12,195.49

Finding the Fourth Proportional to 15,344.77, 21,084.02 and 12,195.49

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Solution

The fourth proportional to 15,344.77, 21,084.02 and 12,195.49 is: 16,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.77 : 21,084.02 = 12,195.49 : x
  2. Step 2: Convert to fraction form
    15,344.77/21,084.02 = 12,195.49/x
  3. Step 3: Cross multiply
    15,344.77x = 21,084.02 × 12,195.49
  4. Step 4: Simplify right side
    15,344.77x = 257,129,955.07
  5. Step 5: Solve for x
    x = 257,129,955.07/15,344.77
  6. Step 6: Final answer
    x = 16,756.85

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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.