Home / 15,190.34-22,785.50-7,790.68

Finding the Fourth Proportional to 15,190.34, 22,785.50 and 7,790.68

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Solution

The fourth proportional to 15,190.34, 22,785.50 and 7,790.68 is: 11,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.34 : 22,785.50 = 7,790.68 : x
  2. Step 2: Convert to fraction form
    15,190.34/22,785.50 = 7,790.68/x
  3. Step 3: Cross multiply
    15,190.34x = 22,785.50 × 7,790.68
  4. Step 4: Simplify right side
    15,190.34x = 177,514,587.10
  5. Step 5: Solve for x
    x = 177,514,587.10/15,190.34
  6. Step 6: Final answer
    x = 11,686.02

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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.