Home / 18,210.15-25,131.47-10,251.90

Finding the Fourth Proportional to 18,210.15, 25,131.47 and 10,251.90

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Solution

The fourth proportional to 18,210.15, 25,131.47 and 10,251.90 is: 14,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.15 : 25,131.47 = 10,251.90 : x
  2. Step 2: Convert to fraction form
    18,210.15/25,131.47 = 10,251.90/x
  3. Step 3: Cross multiply
    18,210.15x = 25,131.47 × 10,251.90
  4. Step 4: Simplify right side
    18,210.15x = 257,645,266.03
  5. Step 5: Solve for x
    x = 257,645,266.03/18,210.15
  6. Step 6: Final answer
    x = 14,148.44

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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.