Home / 11,338.45-15,636.59-7,088.16

Finding the Fourth Proportional to 11,338.45, 15,636.59 and 7,088.16

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Solution

The fourth proportional to 11,338.45, 15,636.59 and 7,088.16 is: 9,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.45 : 15,636.59 = 7,088.16 : x
  2. Step 2: Convert to fraction form
    11,338.45/15,636.59 = 7,088.16/x
  3. Step 3: Cross multiply
    11,338.45x = 15,636.59 × 7,088.16
  4. Step 4: Simplify right side
    11,338.45x = 110,834,651.77
  5. Step 5: Solve for x
    x = 110,834,651.77/11,338.45
  6. Step 6: Final answer
    x = 9,775.11

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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.