Home / 18,117.77-25,000.11-10,051.31

Finding the Fourth Proportional to 18,117.77, 25,000.11 and 10,051.31

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Solution

The fourth proportional to 18,117.77, 25,000.11 and 10,051.31 is: 13,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.77 : 25,000.11 = 10,051.31 : x
  2. Step 2: Convert to fraction form
    18,117.77/25,000.11 = 10,051.31/x
  3. Step 3: Cross multiply
    18,117.77x = 25,000.11 × 10,051.31
  4. Step 4: Simplify right side
    18,117.77x = 251,283,918.14
  5. Step 5: Solve for x
    x = 251,283,918.14/18,117.77
  6. Step 6: Final answer
    x = 13,869.48

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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.