Home / 10,211.66-15,303.23-5,521.55

Finding the Fourth Proportional to 10,211.66, 15,303.23 and 5,521.55

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Solution

The fourth proportional to 10,211.66, 15,303.23 and 5,521.55 is: 8,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.66 : 15,303.23 = 5,521.55 : x
  2. Step 2: Convert to fraction form
    10,211.66/15,303.23 = 5,521.55/x
  3. Step 3: Cross multiply
    10,211.66x = 15,303.23 × 5,521.55
  4. Step 4: Simplify right side
    10,211.66x = 84,497,522.00
  5. Step 5: Solve for x
    x = 84,497,522.00/10,211.66
  6. Step 6: Final answer
    x = 8,274.62

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1.5x scale

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.