Home / 18,276.09-25,221.08-9,892.59

Finding the Fourth Proportional to 18,276.09, 25,221.08 and 9,892.59

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Solution

The fourth proportional to 18,276.09, 25,221.08 and 9,892.59 is: 13,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.09 : 25,221.08 = 9,892.59 : x
  2. Step 2: Convert to fraction form
    18,276.09/25,221.08 = 9,892.59/x
  3. Step 3: Cross multiply
    18,276.09x = 25,221.08 × 9,892.59
  4. Step 4: Simplify right side
    18,276.09x = 249,501,677.69
  5. Step 5: Solve for x
    x = 249,501,677.69/18,276.09
  6. Step 6: Final answer
    x = 13,651.81

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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.