Home / 22,006.45-30,368.36-12,574.41

Finding the Fourth Proportional to 22,006.45, 30,368.36 and 12,574.41

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Solution

The fourth proportional to 22,006.45, 30,368.36 and 12,574.41 is: 17,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.45 : 30,368.36 = 12,574.41 : x
  2. Step 2: Convert to fraction form
    22,006.45/30,368.36 = 12,574.41/x
  3. Step 3: Cross multiply
    22,006.45x = 30,368.36 × 12,574.41
  4. Step 4: Simplify right side
    22,006.45x = 381,864,127.22
  5. Step 5: Solve for x
    x = 381,864,127.22/22,006.45
  6. Step 6: Final answer
    x = 17,352.37

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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.