Home / 10,559.87-14,559.38-6,776.36

Finding the Fourth Proportional to 10,559.87, 14,559.38 and 6,776.36

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Solution

The fourth proportional to 10,559.87, 14,559.38 and 6,776.36 is: 9,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.87 : 14,559.38 = 6,776.36 : x
  2. Step 2: Convert to fraction form
    10,559.87/14,559.38 = 6,776.36/x
  3. Step 3: Cross multiply
    10,559.87x = 14,559.38 × 6,776.36
  4. Step 4: Simplify right side
    10,559.87x = 98,659,566.38
  5. Step 5: Solve for x
    x = 98,659,566.38/10,559.87
  6. Step 6: Final answer
    x = 9,342.88

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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.