Home / 19,342.08-26,663.04-15,143.04

Finding the Fourth Proportional to 19,342.08, 26,663.04 and 15,143.04

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Solution

The fourth proportional to 19,342.08, 26,663.04 and 15,143.04 is: 20,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.08 : 26,663.04 = 15,143.04 : x
  2. Step 2: Convert to fraction form
    19,342.08/26,663.04 = 15,143.04/x
  3. Step 3: Cross multiply
    19,342.08x = 26,663.04 × 15,143.04
  4. Step 4: Simplify right side
    19,342.08x = 403,759,481.24
  5. Step 5: Solve for x
    x = 403,759,481.24/19,342.08
  6. Step 6: Final answer
    x = 20,874.67

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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.