Home / 19,789.56-29,626.68-10,407.32

Finding the Fourth Proportional to 19,789.56, 29,626.68 and 10,407.32

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Solution

The fourth proportional to 19,789.56, 29,626.68 and 10,407.32 is: 15,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.56 : 29,626.68 = 10,407.32 : x
  2. Step 2: Convert to fraction form
    19,789.56/29,626.68 = 10,407.32/x
  3. Step 3: Cross multiply
    19,789.56x = 29,626.68 × 10,407.32
  4. Step 4: Simplify right side
    19,789.56x = 308,334,339.30
  5. Step 5: Solve for x
    x = 308,334,339.30/19,789.56
  6. Step 6: Final answer
    x = 15,580.66

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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.