Home / 15,793.26-23,681.61-7,887.30

Finding the Fourth Proportional to 15,793.26, 23,681.61 and 7,887.30

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Solution

The fourth proportional to 15,793.26, 23,681.61 and 7,887.30 is: 11,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.26 : 23,681.61 = 7,887.30 : x
  2. Step 2: Convert to fraction form
    15,793.26/23,681.61 = 7,887.30/x
  3. Step 3: Cross multiply
    15,793.26x = 23,681.61 × 7,887.30
  4. Step 4: Simplify right side
    15,793.26x = 186,783,962.55
  5. Step 5: Solve for x
    x = 186,783,962.55/15,793.26
  6. Step 6: Final answer
    x = 11,826.81

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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.