Home / 10,389.56-15,586.50-4,544.60

Finding the Fourth Proportional to 10,389.56, 15,586.50 and 4,544.60

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Solution

The fourth proportional to 10,389.56, 15,586.50 and 4,544.60 is: 6,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.56 : 15,586.50 = 4,544.60 : x
  2. Step 2: Convert to fraction form
    10,389.56/15,586.50 = 4,544.60/x
  3. Step 3: Cross multiply
    10,389.56x = 15,586.50 × 4,544.60
  4. Step 4: Simplify right side
    10,389.56x = 70,834,407.90
  5. Step 5: Solve for x
    x = 70,834,407.90/10,389.56
  6. Step 6: Final answer
    x = 6,817.84

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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.