Home / 11,276.77-15,559.14-6,803.14

Finding the Fourth Proportional to 11,276.77, 15,559.14 and 6,803.14

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Solution

The fourth proportional to 11,276.77, 15,559.14 and 6,803.14 is: 9,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.77 : 15,559.14 = 6,803.14 : x
  2. Step 2: Convert to fraction form
    11,276.77/15,559.14 = 6,803.14/x
  3. Step 3: Cross multiply
    11,276.77x = 15,559.14 × 6,803.14
  4. Step 4: Simplify right side
    11,276.77x = 105,851,007.70
  5. Step 5: Solve for x
    x = 105,851,007.70/11,276.77
  6. Step 6: Final answer
    x = 9,386.64

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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.