Home / 10,191.74-15,288.96-4,349.72

Finding the Fourth Proportional to 10,191.74, 15,288.96 and 4,349.72

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Solution

The fourth proportional to 10,191.74, 15,288.96 and 4,349.72 is: 6,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.74 : 15,288.96 = 4,349.72 : x
  2. Step 2: Convert to fraction form
    10,191.74/15,288.96 = 4,349.72/x
  3. Step 3: Cross multiply
    10,191.74x = 15,288.96 × 4,349.72
  4. Step 4: Simplify right side
    10,191.74x = 66,502,695.09
  5. Step 5: Solve for x
    x = 66,502,695.09/10,191.74
  6. Step 6: Final answer
    x = 6,525.16

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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.