Home / 18,247.86-25,196.30-14,280.28

Finding the Fourth Proportional to 18,247.86, 25,196.30 and 14,280.28

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Solution

The fourth proportional to 18,247.86, 25,196.30 and 14,280.28 is: 19,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.86 : 25,196.30 = 14,280.28 : x
  2. Step 2: Convert to fraction form
    18,247.86/25,196.30 = 14,280.28/x
  3. Step 3: Cross multiply
    18,247.86x = 25,196.30 × 14,280.28
  4. Step 4: Simplify right side
    18,247.86x = 359,810,138.12
  5. Step 5: Solve for x
    x = 359,810,138.12/18,247.86
  6. Step 6: Final answer
    x = 19,717.94

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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.