Home / 18,807.56-25,954.05-10,309.69

Finding the Fourth Proportional to 18,807.56, 25,954.05 and 10,309.69

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Solution

The fourth proportional to 18,807.56, 25,954.05 and 10,309.69 is: 14,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.56 : 25,954.05 = 10,309.69 : x
  2. Step 2: Convert to fraction form
    18,807.56/25,954.05 = 10,309.69/x
  3. Step 3: Cross multiply
    18,807.56x = 25,954.05 × 10,309.69
  4. Step 4: Simplify right side
    18,807.56x = 267,578,280.85
  5. Step 5: Solve for x
    x = 267,578,280.85/18,807.56
  6. Step 6: Final answer
    x = 14,227.17

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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.