Home / 15,411.83-23,114.67-4,880.06

Finding the Fourth Proportional to 15,411.83, 23,114.67 and 4,880.06

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Solution

The fourth proportional to 15,411.83, 23,114.67 and 4,880.06 is: 7,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.83 : 23,114.67 = 4,880.06 : x
  2. Step 2: Convert to fraction form
    15,411.83/23,114.67 = 4,880.06/x
  3. Step 3: Cross multiply
    15,411.83x = 23,114.67 × 4,880.06
  4. Step 4: Simplify right side
    15,411.83x = 112,800,976.48
  5. Step 5: Solve for x
    x = 112,800,976.48/15,411.83
  6. Step 6: Final answer
    x = 7,319.12

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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.