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Finding the Fourth Proportional to 9,103.68, 13,623.03 and 6,607.77

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Solution

The fourth proportional to 9,103.68, 13,623.03 and 6,607.77 is: 9,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.68 : 13,623.03 = 6,607.77 : x
  2. Step 2: Convert to fraction form
    9,103.68/13,623.03 = 6,607.77/x
  3. Step 3: Cross multiply
    9,103.68x = 13,623.03 × 6,607.77
  4. Step 4: Simplify right side
    9,103.68x = 90,017,848.94
  5. Step 5: Solve for x
    x = 90,017,848.94/9,103.68
  6. Step 6: Final answer
    x = 9,888.07

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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.