Home / 18,138.69-25,032.51-10,181.43

Finding the Fourth Proportional to 18,138.69, 25,032.51 and 10,181.43

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Solution

The fourth proportional to 18,138.69, 25,032.51 and 10,181.43 is: 14,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138.69 : 25,032.51 = 10,181.43 : x
  2. Step 2: Convert to fraction form
    18,138.69/25,032.51 = 10,181.43/x
  3. Step 3: Cross multiply
    18,138.69x = 25,032.51 × 10,181.43
  4. Step 4: Simplify right side
    18,138.69x = 254,866,748.29
  5. Step 5: Solve for x
    x = 254,866,748.29/18,138.69
  6. Step 6: Final answer
    x = 14,051.00

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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.