Home / 15,880.48-23,813-4,785.10

Finding the Fourth Proportional to 15,880.48, 23,813 and 4,785.10

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Solution

The fourth proportional to 15,880.48, 23,813 and 4,785.10 is: 7,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.48 : 23,813 = 4,785.10 : x
  2. Step 2: Convert to fraction form
    15,880.48/23,813 = 4,785.10/x
  3. Step 3: Cross multiply
    15,880.48x = 23,813 × 4,785.10
  4. Step 4: Simplify right side
    15,880.48x = 113,947,586.30
  5. Step 5: Solve for x
    x = 113,947,586.30/15,880.48
  6. Step 6: Final answer
    x = 7,175.32

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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.