Home / 13,573.65-18,740.79-8,476.95

Finding the Fourth Proportional to 13,573.65, 18,740.79 and 8,476.95

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Solution

The fourth proportional to 13,573.65, 18,740.79 and 8,476.95 is: 11,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.65 : 18,740.79 = 8,476.95 : x
  2. Step 2: Convert to fraction form
    13,573.65/18,740.79 = 8,476.95/x
  3. Step 3: Cross multiply
    13,573.65x = 18,740.79 × 8,476.95
  4. Step 4: Simplify right side
    13,573.65x = 158,864,739.79
  5. Step 5: Solve for x
    x = 158,864,739.79/13,573.65
  6. Step 6: Final answer
    x = 11,703.91

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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.