Home / 18,346.19-25,318.16-10,280.45

Finding the Fourth Proportional to 18,346.19, 25,318.16 and 10,280.45

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Solution

The fourth proportional to 18,346.19, 25,318.16 and 10,280.45 is: 14,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.19 : 25,318.16 = 10,280.45 : x
  2. Step 2: Convert to fraction form
    18,346.19/25,318.16 = 10,280.45/x
  3. Step 3: Cross multiply
    18,346.19x = 25,318.16 × 10,280.45
  4. Step 4: Simplify right side
    18,346.19x = 260,282,057.21
  5. Step 5: Solve for x
    x = 260,282,057.21/18,346.19
  6. Step 6: Final answer
    x = 14,187.25

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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.