Home / 22,339.40-30,826.04-13,386.66

Finding the Fourth Proportional to 22,339.40, 30,826.04 and 13,386.66

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Solution

The fourth proportional to 22,339.40, 30,826.04 and 13,386.66 is: 18,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.40 : 30,826.04 = 13,386.66 : x
  2. Step 2: Convert to fraction form
    22,339.40/30,826.04 = 13,386.66/x
  3. Step 3: Cross multiply
    22,339.40x = 30,826.04 × 13,386.66
  4. Step 4: Simplify right side
    22,339.40x = 412,657,649.69
  5. Step 5: Solve for x
    x = 412,657,649.69/22,339.40
  6. Step 6: Final answer
    x = 18,472.19

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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.