Home / 18,288.30-25,238.35-11,210.66

Finding the Fourth Proportional to 18,288.30, 25,238.35 and 11,210.66

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Solution

The fourth proportional to 18,288.30, 25,238.35 and 11,210.66 is: 15,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.30 : 25,238.35 = 11,210.66 : x
  2. Step 2: Convert to fraction form
    18,288.30/25,238.35 = 11,210.66/x
  3. Step 3: Cross multiply
    18,288.30x = 25,238.35 × 11,210.66
  4. Step 4: Simplify right side
    18,288.30x = 282,938,560.81
  5. Step 5: Solve for x
    x = 282,938,560.81/18,288.30
  6. Step 6: Final answer
    x = 15,471.01

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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.