Home / 10,628.14-15,929.34-3,959.24

Finding the Fourth Proportional to 10,628.14, 15,929.34 and 3,959.24

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Solution

The fourth proportional to 10,628.14, 15,929.34 and 3,959.24 is: 5,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.14 : 15,929.34 = 3,959.24 : x
  2. Step 2: Convert to fraction form
    10,628.14/15,929.34 = 3,959.24/x
  3. Step 3: Cross multiply
    10,628.14x = 15,929.34 × 3,959.24
  4. Step 4: Simplify right side
    10,628.14x = 63,068,080.10
  5. Step 5: Solve for x
    x = 63,068,080.10/10,628.14
  6. Step 6: Final answer
    x = 5,934.07

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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.