Home / 9,089.60-13,634.40-7,553.60

Finding the Fourth Proportional to 9,089.60, 13,634.40 and 7,553.60

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Solution

The fourth proportional to 9,089.60, 13,634.40 and 7,553.60 is: 11,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.60 : 13,634.40 = 7,553.60 : x
  2. Step 2: Convert to fraction form
    9,089.60/13,634.40 = 7,553.60/x
  3. Step 3: Cross multiply
    9,089.60x = 13,634.40 × 7,553.60
  4. Step 4: Simplify right side
    9,089.60x = 102,988,803.84
  5. Step 5: Solve for x
    x = 102,988,803.84/9,089.60
  6. Step 6: Final answer
    x = 11,330.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.