Home / 17,615.89-26,423.32-7,082.65

Finding the Fourth Proportional to 17,615.89, 26,423.32 and 7,082.65

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Solution

The fourth proportional to 17,615.89, 26,423.32 and 7,082.65 is: 10,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.89 : 26,423.32 = 7,082.65 : x
  2. Step 2: Convert to fraction form
    17,615.89/26,423.32 = 7,082.65/x
  3. Step 3: Cross multiply
    17,615.89x = 26,423.32 × 7,082.65
  4. Step 4: Simplify right side
    17,615.89x = 187,147,127.40
  5. Step 5: Solve for x
    x = 187,147,127.40/17,615.89
  6. Step 6: Final answer
    x = 10,623.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.