Home / 18,426.36-25,427.70-10,042.68

Finding the Fourth Proportional to 18,426.36, 25,427.70 and 10,042.68

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Solution

The fourth proportional to 18,426.36, 25,427.70 and 10,042.68 is: 13,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.36 : 25,427.70 = 10,042.68 : x
  2. Step 2: Convert to fraction form
    18,426.36/25,427.70 = 10,042.68/x
  3. Step 3: Cross multiply
    18,426.36x = 25,427.70 × 10,042.68
  4. Step 4: Simplify right side
    18,426.36x = 255,362,254.24
  5. Step 5: Solve for x
    x = 255,362,254.24/18,426.36
  6. Step 6: Final answer
    x = 13,858.53

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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.