Home / 9,813.68-14,721.24-3,970.16

Finding the Fourth Proportional to 9,813.68, 14,721.24 and 3,970.16

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Solution

The fourth proportional to 9,813.68, 14,721.24 and 3,970.16 is: 5,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.68 : 14,721.24 = 3,970.16 : x
  2. Step 2: Convert to fraction form
    9,813.68/14,721.24 = 3,970.16/x
  3. Step 3: Cross multiply
    9,813.68x = 14,721.24 × 3,970.16
  4. Step 4: Simplify right side
    9,813.68x = 58,445,678.20
  5. Step 5: Solve for x
    x = 58,445,678.20/9,813.68
  6. Step 6: Final answer
    x = 5,955.53

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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.