Home / 10,569.36-15,855.48-3,642

Finding the Fourth Proportional to 10,569.36, 15,855.48 and 3,642

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Solution

The fourth proportional to 10,569.36, 15,855.48 and 3,642 is: 5,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.36 : 15,855.48 = 3,642 : x
  2. Step 2: Convert to fraction form
    10,569.36/15,855.48 = 3,642/x
  3. Step 3: Cross multiply
    10,569.36x = 15,855.48 × 3,642
  4. Step 4: Simplify right side
    10,569.36x = 57,745,658.16
  5. Step 5: Solve for x
    x = 57,745,658.16/10,569.36
  6. Step 6: Final answer
    x = 5,463.50

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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.