Home / 16,880.87-23,300.13-9,711.60

Finding the Fourth Proportional to 16,880.87, 23,300.13 and 9,711.60

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Solution

The fourth proportional to 16,880.87, 23,300.13 and 9,711.60 is: 13,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.87 : 23,300.13 = 9,711.60 : x
  2. Step 2: Convert to fraction form
    16,880.87/23,300.13 = 9,711.60/x
  3. Step 3: Cross multiply
    16,880.87x = 23,300.13 × 9,711.60
  4. Step 4: Simplify right side
    16,880.87x = 226,281,542.51
  5. Step 5: Solve for x
    x = 226,281,542.51/16,880.87
  6. Step 6: Final answer
    x = 13,404.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.