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Finding the Fourth Proportional to 12,658.32, 18,950.76 and 9,551.16

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Solution

The fourth proportional to 12,658.32, 18,950.76 and 9,551.16 is: 14,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.32 : 18,950.76 = 9,551.16 : x
  2. Step 2: Convert to fraction form
    12,658.32/18,950.76 = 9,551.16/x
  3. Step 3: Cross multiply
    12,658.32x = 18,950.76 × 9,551.16
  4. Step 4: Simplify right side
    12,658.32x = 181,001,740.88
  5. Step 5: Solve for x
    x = 181,001,740.88/12,658.32
  6. Step 6: Final answer
    x = 14,299.03

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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.