Home / 15,346.80-23,020.20-9,783.65

Finding the Fourth Proportional to 15,346.80, 23,020.20 and 9,783.65

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Solution

The fourth proportional to 15,346.80, 23,020.20 and 9,783.65 is: 14,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.80 : 23,020.20 = 9,783.65 : x
  2. Step 2: Convert to fraction form
    15,346.80/23,020.20 = 9,783.65/x
  3. Step 3: Cross multiply
    15,346.80x = 23,020.20 × 9,783.65
  4. Step 4: Simplify right side
    15,346.80x = 225,221,637.28
  5. Step 5: Solve for x
    x = 225,221,637.28/15,346.80
  6. Step 6: Final answer
    x = 14,675.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.