Home / 10,445.04-15,669-3,521.52

Finding the Fourth Proportional to 10,445.04, 15,669 and 3,521.52

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Solution

The fourth proportional to 10,445.04, 15,669 and 3,521.52 is: 5,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.04 : 15,669 = 3,521.52 : x
  2. Step 2: Convert to fraction form
    10,445.04/15,669 = 3,521.52/x
  3. Step 3: Cross multiply
    10,445.04x = 15,669 × 3,521.52
  4. Step 4: Simplify right side
    10,445.04x = 55,178,696.88
  5. Step 5: Solve for x
    x = 55,178,696.88/10,445.04
  6. Step 6: Final answer
    x = 5,282.77

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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.