Home / 18,665.49-25,758.37-10,281.99

Finding the Fourth Proportional to 18,665.49, 25,758.37 and 10,281.99

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Solution

The fourth proportional to 18,665.49, 25,758.37 and 10,281.99 is: 14,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.49 : 25,758.37 = 10,281.99 : x
  2. Step 2: Convert to fraction form
    18,665.49/25,758.37 = 10,281.99/x
  3. Step 3: Cross multiply
    18,665.49x = 25,758.37 × 10,281.99
  4. Step 4: Simplify right side
    18,665.49x = 264,847,302.76
  5. Step 5: Solve for x
    x = 264,847,302.76/18,665.49
  6. Step 6: Final answer
    x = 14,189.14

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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.