Home / 15,639.53-23,453.76-4,543.91

Finding the Fourth Proportional to 15,639.53, 23,453.76 and 4,543.91

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Solution

The fourth proportional to 15,639.53, 23,453.76 and 4,543.91 is: 6,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.53 : 23,453.76 = 4,543.91 : x
  2. Step 2: Convert to fraction form
    15,639.53/23,453.76 = 4,543.91/x
  3. Step 3: Cross multiply
    15,639.53x = 23,453.76 × 4,543.91
  4. Step 4: Simplify right side
    15,639.53x = 106,571,774.60
  5. Step 5: Solve for x
    x = 106,571,774.60/15,639.53
  6. Step 6: Final answer
    x = 6,814.26

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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.