Home / 13,276.80-19,915.20-5,873.40

Finding the Fourth Proportional to 13,276.80, 19,915.20 and 5,873.40

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Solution

The fourth proportional to 13,276.80, 19,915.20 and 5,873.40 is: 8,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.80 : 19,915.20 = 5,873.40 : x
  2. Step 2: Convert to fraction form
    13,276.80/19,915.20 = 5,873.40/x
  3. Step 3: Cross multiply
    13,276.80x = 19,915.20 × 5,873.40
  4. Step 4: Simplify right side
    13,276.80x = 116,969,935.68
  5. Step 5: Solve for x
    x = 116,969,935.68/13,276.80
  6. Step 6: Final answer
    x = 8,810.10

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1.5x scale

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.