Home / 18,898.04-26,077.60-10,940.80

Finding the Fourth Proportional to 18,898.04, 26,077.60 and 10,940.80

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Solution

The fourth proportional to 18,898.04, 26,077.60 and 10,940.80 is: 15,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.04 : 26,077.60 = 10,940.80 : x
  2. Step 2: Convert to fraction form
    18,898.04/26,077.60 = 10,940.80/x
  3. Step 3: Cross multiply
    18,898.04x = 26,077.60 × 10,940.80
  4. Step 4: Simplify right side
    18,898.04x = 285,309,806.08
  5. Step 5: Solve for x
    x = 285,309,806.08/18,898.04
  6. Step 6: Final answer
    x = 15,097.32

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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.