Home / 15,857.90-23,769.68-10,315.21

Finding the Fourth Proportional to 15,857.90, 23,769.68 and 10,315.21

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Solution

The fourth proportional to 15,857.90, 23,769.68 and 10,315.21 is: 15,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.90 : 23,769.68 = 10,315.21 : x
  2. Step 2: Convert to fraction form
    15,857.90/23,769.68 = 10,315.21/x
  3. Step 3: Cross multiply
    15,857.90x = 23,769.68 × 10,315.21
  4. Step 4: Simplify right side
    15,857.90x = 245,189,240.83
  5. Step 5: Solve for x
    x = 245,189,240.83/15,857.90
  6. Step 6: Final answer
    x = 15,461.65

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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.