Home / 18,374.36-25,356.90-10,415.96

Finding the Fourth Proportional to 18,374.36, 25,356.90 and 10,415.96

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Solution

The fourth proportional to 18,374.36, 25,356.90 and 10,415.96 is: 14,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.36 : 25,356.90 = 10,415.96 : x
  2. Step 2: Convert to fraction form
    18,374.36/25,356.90 = 10,415.96/x
  3. Step 3: Cross multiply
    18,374.36x = 25,356.90 × 10,415.96
  4. Step 4: Simplify right side
    18,374.36x = 264,116,456.12
  5. Step 5: Solve for x
    x = 264,116,456.12/18,374.36
  6. Step 6: Final answer
    x = 14,374.19

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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.