Home / 18,870.46-26,039.14-11,317.11

Finding the Fourth Proportional to 18,870.46, 26,039.14 and 11,317.11

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Solution

The fourth proportional to 18,870.46, 26,039.14 and 11,317.11 is: 15,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.46 : 26,039.14 = 11,317.11 : x
  2. Step 2: Convert to fraction form
    18,870.46/26,039.14 = 11,317.11/x
  3. Step 3: Cross multiply
    18,870.46x = 26,039.14 × 11,317.11
  4. Step 4: Simplify right side
    18,870.46x = 294,687,811.69
  5. Step 5: Solve for x
    x = 294,687,811.69/18,870.46
  6. Step 6: Final answer
    x = 15,616.36

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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.