Home / 10,665.61-16,002.54-4,424.04

Finding the Fourth Proportional to 10,665.61, 16,002.54 and 4,424.04

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Solution

The fourth proportional to 10,665.61, 16,002.54 and 4,424.04 is: 6,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.61 : 16,002.54 = 4,424.04 : x
  2. Step 2: Convert to fraction form
    10,665.61/16,002.54 = 4,424.04/x
  3. Step 3: Cross multiply
    10,665.61x = 16,002.54 × 4,424.04
  4. Step 4: Simplify right side
    10,665.61x = 70,795,877.06
  5. Step 5: Solve for x
    x = 70,795,877.06/10,665.61
  6. Step 6: Final answer
    x = 6,637.77

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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.