Home / 18,355.23-25,332-10,290.26

Finding the Fourth Proportional to 18,355.23, 25,332 and 10,290.26

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Solution

The fourth proportional to 18,355.23, 25,332 and 10,290.26 is: 14,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.23 : 25,332 = 10,290.26 : x
  2. Step 2: Convert to fraction form
    18,355.23/25,332 = 10,290.26/x
  3. Step 3: Cross multiply
    18,355.23x = 25,332 × 10,290.26
  4. Step 4: Simplify right side
    18,355.23x = 260,672,866.32
  5. Step 5: Solve for x
    x = 260,672,866.32/18,355.23
  6. Step 6: Final answer
    x = 14,201.56

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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.