Home / 10,980.91-15,152.16-6,200.07

Finding the Fourth Proportional to 10,980.91, 15,152.16 and 6,200.07

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Solution

The fourth proportional to 10,980.91, 15,152.16 and 6,200.07 is: 8,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.91 : 15,152.16 = 6,200.07 : x
  2. Step 2: Convert to fraction form
    10,980.91/15,152.16 = 6,200.07/x
  3. Step 3: Cross multiply
    10,980.91x = 15,152.16 × 6,200.07
  4. Step 4: Simplify right side
    10,980.91x = 93,944,452.65
  5. Step 5: Solve for x
    x = 93,944,452.65/10,980.91
  6. Step 6: Final answer
    x = 8,555.25

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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.