Home / 18,273.04-25,216.80-9,889.52

Finding the Fourth Proportional to 18,273.04, 25,216.80 and 9,889.52

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Solution

The fourth proportional to 18,273.04, 25,216.80 and 9,889.52 is: 13,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.04 : 25,216.80 = 9,889.52 : x
  2. Step 2: Convert to fraction form
    18,273.04/25,216.80 = 9,889.52/x
  3. Step 3: Cross multiply
    18,273.04x = 25,216.80 × 9,889.52
  4. Step 4: Simplify right side
    18,273.04x = 249,382,047.94
  5. Step 5: Solve for x
    x = 249,382,047.94/18,273.04
  6. Step 6: Final answer
    x = 13,647.54

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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.