Home / 9,699.45-14,555.54-5,320

Finding the Fourth Proportional to 9,699.45, 14,555.54 and 5,320

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Solution

The fourth proportional to 9,699.45, 14,555.54 and 5,320 is: 7,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.45 : 14,555.54 = 5,320 : x
  2. Step 2: Convert to fraction form
    9,699.45/14,555.54 = 5,320/x
  3. Step 3: Cross multiply
    9,699.45x = 14,555.54 × 5,320
  4. Step 4: Simplify right side
    9,699.45x = 77,435,472.80
  5. Step 5: Solve for x
    x = 77,435,472.80/9,699.45
  6. Step 6: Final answer
    x = 7,983.49

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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.