Home / 22,473.45-31,012.47-12,913.83

Finding the Fourth Proportional to 22,473.45, 31,012.47 and 12,913.83

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Solution

The fourth proportional to 22,473.45, 31,012.47 and 12,913.83 is: 17,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,473.45 : 31,012.47 = 12,913.83 : x
  2. Step 2: Convert to fraction form
    22,473.45/31,012.47 = 12,913.83/x
  3. Step 3: Cross multiply
    22,473.45x = 31,012.47 × 12,913.83
  4. Step 4: Simplify right side
    22,473.45x = 400,489,765.46
  5. Step 5: Solve for x
    x = 400,489,765.46/22,473.45
  6. Step 6: Final answer
    x = 17,820.57

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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.