Home / 11,070.32-15,275.64-6,288.52

Finding the Fourth Proportional to 11,070.32, 15,275.64 and 6,288.52

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Solution

The fourth proportional to 11,070.32, 15,275.64 and 6,288.52 is: 8,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.32 : 15,275.64 = 6,288.52 : x
  2. Step 2: Convert to fraction form
    11,070.32/15,275.64 = 6,288.52/x
  3. Step 3: Cross multiply
    11,070.32x = 15,275.64 × 6,288.52
  4. Step 4: Simplify right side
    11,070.32x = 96,061,167.65
  5. Step 5: Solve for x
    x = 96,061,167.65/11,070.32
  6. Step 6: Final answer
    x = 8,677.36

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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.