Home / 11,111.16-15,333.23-6,634.07

Finding the Fourth Proportional to 11,111.16, 15,333.23 and 6,634.07

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Solution

The fourth proportional to 11,111.16, 15,333.23 and 6,634.07 is: 9,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.16 : 15,333.23 = 6,634.07 : x
  2. Step 2: Convert to fraction form
    11,111.16/15,333.23 = 6,634.07/x
  3. Step 3: Cross multiply
    11,111.16x = 15,333.23 × 6,634.07
  4. Step 4: Simplify right side
    11,111.16x = 101,721,721.15
  5. Step 5: Solve for x
    x = 101,721,721.15/11,111.16
  6. Step 6: Final answer
    x = 9,154.91

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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.