Home / 10,517.91-15,776.52-4,276.08

Finding the Fourth Proportional to 10,517.91, 15,776.52 and 4,276.08

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Solution

The fourth proportional to 10,517.91, 15,776.52 and 4,276.08 is: 6,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.91 : 15,776.52 = 4,276.08 : x
  2. Step 2: Convert to fraction form
    10,517.91/15,776.52 = 4,276.08/x
  3. Step 3: Cross multiply
    10,517.91x = 15,776.52 × 4,276.08
  4. Step 4: Simplify right side
    10,517.91x = 67,461,661.64
  5. Step 5: Solve for x
    x = 67,461,661.64/10,517.91
  6. Step 6: Final answer
    x = 6,413.98

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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.