Home / 10,969.04-15,136.84-6,719.44

Finding the Fourth Proportional to 10,969.04, 15,136.84 and 6,719.44

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Solution

The fourth proportional to 10,969.04, 15,136.84 and 6,719.44 is: 9,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.04 : 15,136.84 = 6,719.44 : x
  2. Step 2: Convert to fraction form
    10,969.04/15,136.84 = 6,719.44/x
  3. Step 3: Cross multiply
    10,969.04x = 15,136.84 × 6,719.44
  4. Step 4: Simplify right side
    10,969.04x = 101,711,088.17
  5. Step 5: Solve for x
    x = 101,711,088.17/10,969.04
  6. Step 6: Final answer
    x = 9,272.56

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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.