Home / 18,665.63-25,758.58-10,282.13

Finding the Fourth Proportional to 18,665.63, 25,758.58 and 10,282.13

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Solution

The fourth proportional to 18,665.63, 25,758.58 and 10,282.13 is: 14,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.63 : 25,758.58 = 10,282.13 : x
  2. Step 2: Convert to fraction form
    18,665.63/25,758.58 = 10,282.13/x
  3. Step 3: Cross multiply
    18,665.63x = 25,758.58 × 10,282.13
  4. Step 4: Simplify right side
    18,665.63x = 264,853,068.18
  5. Step 5: Solve for x
    x = 264,853,068.18/18,665.63
  6. Step 6: Final answer
    x = 14,189.35

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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.