Home / 9,740.65-14,621.30-7,913.82

Finding the Fourth Proportional to 9,740.65, 14,621.30 and 7,913.82

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Solution

The fourth proportional to 9,740.65, 14,621.30 and 7,913.82 is: 11,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.65 : 14,621.30 = 7,913.82 : x
  2. Step 2: Convert to fraction form
    9,740.65/14,621.30 = 7,913.82/x
  3. Step 3: Cross multiply
    9,740.65x = 14,621.30 × 7,913.82
  4. Step 4: Simplify right side
    9,740.65x = 115,710,343.57
  5. Step 5: Solve for x
    x = 115,710,343.57/9,740.65
  6. Step 6: Final answer
    x = 11,879.12

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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.