Home / 18,724.50-25,839.81-10,341.54

Finding the Fourth Proportional to 18,724.50, 25,839.81 and 10,341.54

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Solution

The fourth proportional to 18,724.50, 25,839.81 and 10,341.54 is: 14,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.50 : 25,839.81 = 10,341.54 : x
  2. Step 2: Convert to fraction form
    18,724.50/25,839.81 = 10,341.54/x
  3. Step 3: Cross multiply
    18,724.50x = 25,839.81 × 10,341.54
  4. Step 4: Simplify right side
    18,724.50x = 267,223,428.71
  5. Step 5: Solve for x
    x = 267,223,428.71/18,724.50
  6. Step 6: Final answer
    x = 14,271.33

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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.