Home / 22,071.18-30,448.11-13,113.66

Finding the Fourth Proportional to 22,071.18, 30,448.11 and 13,113.66

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Solution

The fourth proportional to 22,071.18, 30,448.11 and 13,113.66 is: 18,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.18 : 30,448.11 = 13,113.66 : x
  2. Step 2: Convert to fraction form
    22,071.18/30,448.11 = 13,113.66/x
  3. Step 3: Cross multiply
    22,071.18x = 30,448.11 × 13,113.66
  4. Step 4: Simplify right side
    22,071.18x = 399,286,162.18
  5. Step 5: Solve for x
    x = 399,286,162.18/22,071.18
  6. Step 6: Final answer
    x = 18,090.84

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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.