Home / 15,789.80-23,655.90-9,626.60

Finding the Fourth Proportional to 15,789.80, 23,655.90 and 9,626.60

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Solution

The fourth proportional to 15,789.80, 23,655.90 and 9,626.60 is: 14,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.80 : 23,655.90 = 9,626.60 : x
  2. Step 2: Convert to fraction form
    15,789.80/23,655.90 = 9,626.60/x
  3. Step 3: Cross multiply
    15,789.80x = 23,655.90 × 9,626.60
  4. Step 4: Simplify right side
    15,789.80x = 227,725,886.94
  5. Step 5: Solve for x
    x = 227,725,886.94/15,789.80
  6. Step 6: Final answer
    x = 14,422.34

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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.