Home / 9,956.65-13,739.55-5,707.72

Finding the Fourth Proportional to 9,956.65, 13,739.55 and 5,707.72

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Solution

The fourth proportional to 9,956.65, 13,739.55 and 5,707.72 is: 7,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.65 : 13,739.55 = 5,707.72 : x
  2. Step 2: Convert to fraction form
    9,956.65/13,739.55 = 5,707.72/x
  3. Step 3: Cross multiply
    9,956.65x = 13,739.55 × 5,707.72
  4. Step 4: Simplify right side
    9,956.65x = 78,421,504.33
  5. Step 5: Solve for x
    x = 78,421,504.33/9,956.65
  6. Step 6: Final answer
    x = 7,876.29

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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.