Home / 13,085.08-19,592.30-10,440.04

Finding the Fourth Proportional to 13,085.08, 19,592.30 and 10,440.04

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Solution

The fourth proportional to 13,085.08, 19,592.30 and 10,440.04 is: 15,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.08 : 19,592.30 = 10,440.04 : x
  2. Step 2: Convert to fraction form
    13,085.08/19,592.30 = 10,440.04/x
  3. Step 3: Cross multiply
    13,085.08x = 19,592.30 × 10,440.04
  4. Step 4: Simplify right side
    13,085.08x = 204,544,395.69
  5. Step 5: Solve for x
    x = 204,544,395.69/13,085.08
  6. Step 6: Final answer
    x = 15,631.88

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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.