Home / 22,012.94-30,370.47-12,574.82

Finding the Fourth Proportional to 22,012.94, 30,370.47 and 12,574.82

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Solution

The fourth proportional to 22,012.94, 30,370.47 and 12,574.82 is: 17,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.94 : 30,370.47 = 12,574.82 : x
  2. Step 2: Convert to fraction form
    22,012.94/30,370.47 = 12,574.82/x
  3. Step 3: Cross multiply
    22,012.94x = 30,370.47 × 12,574.82
  4. Step 4: Simplify right side
    22,012.94x = 381,903,193.57
  5. Step 5: Solve for x
    x = 381,903,193.57/22,012.94
  6. Step 6: Final answer
    x = 17,349.03

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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.