Home / 10,556.28-15,826.74-6,862.20

Finding the Fourth Proportional to 10,556.28, 15,826.74 and 6,862.20

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Solution

The fourth proportional to 10,556.28, 15,826.74 and 6,862.20 is: 10,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.28 : 15,826.74 = 6,862.20 : x
  2. Step 2: Convert to fraction form
    10,556.28/15,826.74 = 6,862.20/x
  3. Step 3: Cross multiply
    10,556.28x = 15,826.74 × 6,862.20
  4. Step 4: Simplify right side
    10,556.28x = 108,606,255.23
  5. Step 5: Solve for x
    x = 108,606,255.23/10,556.28
  6. Step 6: Final answer
    x = 10,288.31

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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.