Home / 11,070.23-15,275.94-6,289.88

Finding the Fourth Proportional to 11,070.23, 15,275.94 and 6,289.88

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Solution

The fourth proportional to 11,070.23, 15,275.94 and 6,289.88 is: 8,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.23 : 15,275.94 = 6,289.88 : x
  2. Step 2: Convert to fraction form
    11,070.23/15,275.94 = 6,289.88/x
  3. Step 3: Cross multiply
    11,070.23x = 15,275.94 × 6,289.88
  4. Step 4: Simplify right side
    11,070.23x = 96,083,829.49
  5. Step 5: Solve for x
    x = 96,083,829.49/11,070.23
  6. Step 6: Final answer
    x = 8,679.48

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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.