Home / 10,980.18-15,152.94-6,199.74

Finding the Fourth Proportional to 10,980.18, 15,152.94 and 6,199.74

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Solution

The fourth proportional to 10,980.18, 15,152.94 and 6,199.74 is: 8,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.18 : 15,152.94 = 6,199.74 : x
  2. Step 2: Convert to fraction form
    10,980.18/15,152.94 = 6,199.74/x
  3. Step 3: Cross multiply
    10,980.18x = 15,152.94 × 6,199.74
  4. Step 4: Simplify right side
    10,980.18x = 93,944,288.24
  5. Step 5: Solve for x
    x = 93,944,288.24/10,980.18
  6. Step 6: Final answer
    x = 8,555.81

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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.