Home / 23,518.52-32,455.80-12,908.56

Finding the Fourth Proportional to 23,518.52, 32,455.80 and 12,908.56

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Solution

The fourth proportional to 23,518.52, 32,455.80 and 12,908.56 is: 17,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.52 : 32,455.80 = 12,908.56 : x
  2. Step 2: Convert to fraction form
    23,518.52/32,455.80 = 12,908.56/x
  3. Step 3: Cross multiply
    23,518.52x = 32,455.80 × 12,908.56
  4. Step 4: Simplify right side
    23,518.52x = 418,957,641.65
  5. Step 5: Solve for x
    x = 418,957,641.65/23,518.52
  6. Step 6: Final answer
    x = 17,813.95

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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.