Home / 18,318.59-25,280.16-10,362.03

Finding the Fourth Proportional to 18,318.59, 25,280.16 and 10,362.03

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Solution

The fourth proportional to 18,318.59, 25,280.16 and 10,362.03 is: 14,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.59 : 25,280.16 = 10,362.03 : x
  2. Step 2: Convert to fraction form
    18,318.59/25,280.16 = 10,362.03/x
  3. Step 3: Cross multiply
    18,318.59x = 25,280.16 × 10,362.03
  4. Step 4: Simplify right side
    18,318.59x = 261,953,776.32
  5. Step 5: Solve for x
    x = 261,953,776.32/18,318.59
  6. Step 6: Final answer
    x = 14,299.89

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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.