Home / 18,716.07-25,828.20-10,332.57

Finding the Fourth Proportional to 18,716.07, 25,828.20 and 10,332.57

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Solution

The fourth proportional to 18,716.07, 25,828.20 and 10,332.57 is: 14,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.07 : 25,828.20 = 10,332.57 : x
  2. Step 2: Convert to fraction form
    18,716.07/25,828.20 = 10,332.57/x
  3. Step 3: Cross multiply
    18,716.07x = 25,828.20 × 10,332.57
  4. Step 4: Simplify right side
    18,716.07x = 266,871,684.47
  5. Step 5: Solve for x
    x = 266,871,684.47/18,716.07
  6. Step 6: Final answer
    x = 14,258.96

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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.