Home / 18,318.64-25,282.98-10,363.36

Finding the Fourth Proportional to 18,318.64, 25,282.98 and 10,363.36

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Solution

The fourth proportional to 18,318.64, 25,282.98 and 10,363.36 is: 14,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.64 : 25,282.98 = 10,363.36 : x
  2. Step 2: Convert to fraction form
    18,318.64/25,282.98 = 10,363.36/x
  3. Step 3: Cross multiply
    18,318.64x = 25,282.98 × 10,363.36
  4. Step 4: Simplify right side
    18,318.64x = 262,016,623.61
  5. Step 5: Solve for x
    x = 262,016,623.61/18,318.64
  6. Step 6: Final answer
    x = 14,303.28

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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.