Home / 15,044.94-20,718.99-12,903.57

Finding the Fourth Proportional to 15,044.94, 20,718.99 and 12,903.57

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Solution

The fourth proportional to 15,044.94, 20,718.99 and 12,903.57 is: 17,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.94 : 20,718.99 = 12,903.57 : x
  2. Step 2: Convert to fraction form
    15,044.94/20,718.99 = 12,903.57/x
  3. Step 3: Cross multiply
    15,044.94x = 20,718.99 × 12,903.57
  4. Step 4: Simplify right side
    15,044.94x = 267,348,937.79
  5. Step 5: Solve for x
    x = 267,348,937.79/15,044.94
  6. Step 6: Final answer
    x = 17,770.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.