Home / 18,266.86-25,208.13-9,883.36

Finding the Fourth Proportional to 18,266.86, 25,208.13 and 9,883.36

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Solution

The fourth proportional to 18,266.86, 25,208.13 and 9,883.36 is: 13,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.86 : 25,208.13 = 9,883.36 : x
  2. Step 2: Convert to fraction form
    18,266.86/25,208.13 = 9,883.36/x
  3. Step 3: Cross multiply
    18,266.86x = 25,208.13 × 9,883.36
  4. Step 4: Simplify right side
    18,266.86x = 249,141,023.72
  5. Step 5: Solve for x
    x = 249,141,023.72/18,266.86
  6. Step 6: Final answer
    x = 13,638.96

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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.