Home / 13,094.60-18,065.88-7,789.28

Finding the Fourth Proportional to 13,094.60, 18,065.88 and 7,789.28

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Solution

The fourth proportional to 13,094.60, 18,065.88 and 7,789.28 is: 10,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.60 : 18,065.88 = 7,789.28 : x
  2. Step 2: Convert to fraction form
    13,094.60/18,065.88 = 7,789.28/x
  3. Step 3: Cross multiply
    13,094.60x = 18,065.88 × 7,789.28
  4. Step 4: Simplify right side
    13,094.60x = 140,720,197.77
  5. Step 5: Solve for x
    x = 140,720,197.77/13,094.60
  6. Step 6: Final answer
    x = 10,746.43

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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.