Home / 10,521.60-15,762.24-5,890.56

Finding the Fourth Proportional to 10,521.60, 15,762.24 and 5,890.56

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Solution

The fourth proportional to 10,521.60, 15,762.24 and 5,890.56 is: 8,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.60 : 15,762.24 = 5,890.56 : x
  2. Step 2: Convert to fraction form
    10,521.60/15,762.24 = 5,890.56/x
  3. Step 3: Cross multiply
    10,521.60x = 15,762.24 × 5,890.56
  4. Step 4: Simplify right side
    10,521.60x = 92,848,420.45
  5. Step 5: Solve for x
    x = 92,848,420.45/10,521.60
  6. Step 6: Final answer
    x = 8,824.55

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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.