Home / 18,844.47-28,266.98-8,984.79

Finding the Fourth Proportional to 18,844.47, 28,266.98 and 8,984.79

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Solution

The fourth proportional to 18,844.47, 28,266.98 and 8,984.79 is: 13,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.47 : 28,266.98 = 8,984.79 : x
  2. Step 2: Convert to fraction form
    18,844.47/28,266.98 = 8,984.79/x
  3. Step 3: Cross multiply
    18,844.47x = 28,266.98 × 8,984.79
  4. Step 4: Simplify right side
    18,844.47x = 253,972,834.31
  5. Step 5: Solve for x
    x = 253,972,834.31/18,844.47
  6. Step 6: Final answer
    x = 13,477.31

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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.