Home / 10,980.06-16,470.08-2,660.07

Finding the Fourth Proportional to 10,980.06, 16,470.08 and 2,660.07

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Solution

The fourth proportional to 10,980.06, 16,470.08 and 2,660.07 is: 3,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.06 : 16,470.08 = 2,660.07 : x
  2. Step 2: Convert to fraction form
    10,980.06/16,470.08 = 2,660.07/x
  3. Step 3: Cross multiply
    10,980.06x = 16,470.08 × 2,660.07
  4. Step 4: Simplify right side
    10,980.06x = 43,811,565.71
  5. Step 5: Solve for x
    x = 43,811,565.71/10,980.06
  6. Step 6: Final answer
    x = 3,990.10

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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.