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Finding the Fourth Proportional to 12,594, 17,379.76 and 7,005.04

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Solution

The fourth proportional to 12,594, 17,379.76 and 7,005.04 is: 9,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594 : 17,379.76 = 7,005.04 : x
  2. Step 2: Convert to fraction form
    12,594/17,379.76 = 7,005.04/x
  3. Step 3: Cross multiply
    12,594x = 17,379.76 × 7,005.04
  4. Step 4: Simplify right side
    12,594x = 121,745,913.99
  5. Step 5: Solve for x
    x = 121,745,913.99/12,594
  6. Step 6: Final answer
    x = 9,666.98

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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.