Home / 11,116.51-15,339.95-6,080.47

Finding the Fourth Proportional to 11,116.51, 15,339.95 and 6,080.47

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Solution

The fourth proportional to 11,116.51, 15,339.95 and 6,080.47 is: 8,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.51 : 15,339.95 = 6,080.47 : x
  2. Step 2: Convert to fraction form
    11,116.51/15,339.95 = 6,080.47/x
  3. Step 3: Cross multiply
    11,116.51x = 15,339.95 × 6,080.47
  4. Step 4: Simplify right side
    11,116.51x = 93,274,059.83
  5. Step 5: Solve for x
    x = 93,274,059.83/11,116.51
  6. Step 6: Final answer
    x = 8,390.59

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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.