Home / 10,539.08-15,802.46-3,965.78

Finding the Fourth Proportional to 10,539.08, 15,802.46 and 3,965.78

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Solution

The fourth proportional to 10,539.08, 15,802.46 and 3,965.78 is: 5,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.08 : 15,802.46 = 3,965.78 : x
  2. Step 2: Convert to fraction form
    10,539.08/15,802.46 = 3,965.78/x
  3. Step 3: Cross multiply
    10,539.08x = 15,802.46 × 3,965.78
  4. Step 4: Simplify right side
    10,539.08x = 62,668,980.98
  5. Step 5: Solve for x
    x = 62,668,980.98/10,539.08
  6. Step 6: Final answer
    x = 5,946.35

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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.