Home / 18,580.07-25,640.67-10,082.18

Finding the Fourth Proportional to 18,580.07, 25,640.67 and 10,082.18

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Solution

The fourth proportional to 18,580.07, 25,640.67 and 10,082.18 is: 13,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.07 : 25,640.67 = 10,082.18 : x
  2. Step 2: Convert to fraction form
    18,580.07/25,640.67 = 10,082.18/x
  3. Step 3: Cross multiply
    18,580.07x = 25,640.67 × 10,082.18
  4. Step 4: Simplify right side
    18,580.07x = 258,513,722.06
  5. Step 5: Solve for x
    x = 258,513,722.06/18,580.07
  6. Step 6: Final answer
    x = 13,913.50

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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.