Home / 18,070.29-27,070.35-13,317.81

Finding the Fourth Proportional to 18,070.29, 27,070.35 and 13,317.81

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Solution

The fourth proportional to 18,070.29, 27,070.35 and 13,317.81 is: 19,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.29 : 27,070.35 = 13,317.81 : x
  2. Step 2: Convert to fraction form
    18,070.29/27,070.35 = 13,317.81/x
  3. Step 3: Cross multiply
    18,070.29x = 27,070.35 × 13,317.81
  4. Step 4: Simplify right side
    18,070.29x = 360,517,777.93
  5. Step 5: Solve for x
    x = 360,517,777.93/18,070.29
  6. Step 6: Final answer
    x = 19,950.86

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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.