Home / 18,218.05-25,140.44-10,260.34

Finding the Fourth Proportional to 18,218.05, 25,140.44 and 10,260.34

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Solution

The fourth proportional to 18,218.05, 25,140.44 and 10,260.34 is: 14,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.05 : 25,140.44 = 10,260.34 : x
  2. Step 2: Convert to fraction form
    18,218.05/25,140.44 = 10,260.34/x
  3. Step 3: Cross multiply
    18,218.05x = 25,140.44 × 10,260.34
  4. Step 4: Simplify right side
    18,218.05x = 257,949,424.95
  5. Step 5: Solve for x
    x = 257,949,424.95/18,218.05
  6. Step 6: Final answer
    x = 14,159.00

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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.