Home / 10,680.55-16,019.60-2,888.75

Finding the Fourth Proportional to 10,680.55, 16,019.60 and 2,888.75

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Solution

The fourth proportional to 10,680.55, 16,019.60 and 2,888.75 is: 4,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.55 : 16,019.60 = 2,888.75 : x
  2. Step 2: Convert to fraction form
    10,680.55/16,019.60 = 2,888.75/x
  3. Step 3: Cross multiply
    10,680.55x = 16,019.60 × 2,888.75
  4. Step 4: Simplify right side
    10,680.55x = 46,276,619.50
  5. Step 5: Solve for x
    x = 46,276,619.50/10,680.55
  6. Step 6: Final answer
    x = 4,332.79

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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.