Home / 22,970.12-31,698.52-12,898.33

Finding the Fourth Proportional to 22,970.12, 31,698.52 and 12,898.33

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Solution

The fourth proportional to 22,970.12, 31,698.52 and 12,898.33 is: 17,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.12 : 31,698.52 = 12,898.33 : x
  2. Step 2: Convert to fraction form
    22,970.12/31,698.52 = 12,898.33/x
  3. Step 3: Cross multiply
    22,970.12x = 31,698.52 × 12,898.33
  4. Step 4: Simplify right side
    22,970.12x = 408,857,971.47
  5. Step 5: Solve for x
    x = 408,857,971.47/22,970.12
  6. Step 6: Final answer
    x = 17,799.56

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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.