Home / 9,960.18-14,965.77-7,518

Finding the Fourth Proportional to 9,960.18, 14,965.77 and 7,518

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Solution

The fourth proportional to 9,960.18, 14,965.77 and 7,518 is: 11,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.18 : 14,965.77 = 7,518 : x
  2. Step 2: Convert to fraction form
    9,960.18/14,965.77 = 7,518/x
  3. Step 3: Cross multiply
    9,960.18x = 14,965.77 × 7,518
  4. Step 4: Simplify right side
    9,960.18x = 112,512,658.86
  5. Step 5: Solve for x
    x = 112,512,658.86/9,960.18
  6. Step 6: Final answer
    x = 11,296.25

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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.