Home / 10,886.65-16,319.64-3,487.30

Finding the Fourth Proportional to 10,886.65, 16,319.64 and 3,487.30

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Solution

The fourth proportional to 10,886.65, 16,319.64 and 3,487.30 is: 5,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.65 : 16,319.64 = 3,487.30 : x
  2. Step 2: Convert to fraction form
    10,886.65/16,319.64 = 3,487.30/x
  3. Step 3: Cross multiply
    10,886.65x = 16,319.64 × 3,487.30
  4. Step 4: Simplify right side
    10,886.65x = 56,911,480.57
  5. Step 5: Solve for x
    x = 56,911,480.57/10,886.65
  6. Step 6: Final answer
    x = 5,227.64

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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.