Home / 10,679.19-16,016.90-2,888.61

Finding the Fourth Proportional to 10,679.19, 16,016.90 and 2,888.61

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Solution

The fourth proportional to 10,679.19, 16,016.90 and 2,888.61 is: 4,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.19 : 16,016.90 = 2,888.61 : x
  2. Step 2: Convert to fraction form
    10,679.19/16,016.90 = 2,888.61/x
  3. Step 3: Cross multiply
    10,679.19x = 16,016.90 × 2,888.61
  4. Step 4: Simplify right side
    10,679.19x = 46,266,563.07
  5. Step 5: Solve for x
    x = 46,266,563.07/10,679.19
  6. Step 6: Final answer
    x = 4,332.40

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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.