Home / 15,880.02-23,823.63-5,491.86

Finding the Fourth Proportional to 15,880.02, 23,823.63 and 5,491.86

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Solution

The fourth proportional to 15,880.02, 23,823.63 and 5,491.86 is: 8,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.02 : 23,823.63 = 5,491.86 : x
  2. Step 2: Convert to fraction form
    15,880.02/23,823.63 = 5,491.86/x
  3. Step 3: Cross multiply
    15,880.02x = 23,823.63 × 5,491.86
  4. Step 4: Simplify right side
    15,880.02x = 130,836,040.65
  5. Step 5: Solve for x
    x = 130,836,040.65/15,880.02
  6. Step 6: Final answer
    x = 8,239.04

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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.