Home / 18,859.02-28,288.35-11,465.52

Finding the Fourth Proportional to 18,859.02, 28,288.35 and 11,465.52

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Solution

The fourth proportional to 18,859.02, 28,288.35 and 11,465.52 is: 17,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.02 : 28,288.35 = 11,465.52 : x
  2. Step 2: Convert to fraction form
    18,859.02/28,288.35 = 11,465.52/x
  3. Step 3: Cross multiply
    18,859.02x = 28,288.35 × 11,465.52
  4. Step 4: Simplify right side
    18,859.02x = 324,340,642.69
  5. Step 5: Solve for x
    x = 324,340,642.69/18,859.02
  6. Step 6: Final answer
    x = 17,198.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.