Home / 11,295.65-15,587.96-6,191.28

Finding the Fourth Proportional to 11,295.65, 15,587.96 and 6,191.28

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Solution

The fourth proportional to 11,295.65, 15,587.96 and 6,191.28 is: 8,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.65 : 15,587.96 = 6,191.28 : x
  2. Step 2: Convert to fraction form
    11,295.65/15,587.96 = 6,191.28/x
  3. Step 3: Cross multiply
    11,295.65x = 15,587.96 × 6,191.28
  4. Step 4: Simplify right side
    11,295.65x = 96,509,479.44
  5. Step 5: Solve for x
    x = 96,509,479.44/11,295.65
  6. Step 6: Final answer
    x = 8,543.95

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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.