Home / 9,569.12-14,345.12-3,721.76

Finding the Fourth Proportional to 9,569.12, 14,345.12 and 3,721.76

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Solution

The fourth proportional to 9,569.12, 14,345.12 and 3,721.76 is: 5,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.12 : 14,345.12 = 3,721.76 : x
  2. Step 2: Convert to fraction form
    9,569.12/14,345.12 = 3,721.76/x
  3. Step 3: Cross multiply
    9,569.12x = 14,345.12 × 3,721.76
  4. Step 4: Simplify right side
    9,569.12x = 53,389,093.81
  5. Step 5: Solve for x
    x = 53,389,093.81/9,569.12
  6. Step 6: Final answer
    x = 5,579.31

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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.