Home / 13,094.20-18,069.84-7,125.80

Finding the Fourth Proportional to 13,094.20, 18,069.84 and 7,125.80

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Solution

The fourth proportional to 13,094.20, 18,069.84 and 7,125.80 is: 9,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.20 : 18,069.84 = 7,125.80 : x
  2. Step 2: Convert to fraction form
    13,094.20/18,069.84 = 7,125.80/x
  3. Step 3: Cross multiply
    13,094.20x = 18,069.84 × 7,125.80
  4. Step 4: Simplify right side
    13,094.20x = 128,762,065.87
  5. Step 5: Solve for x
    x = 128,762,065.87/13,094.20
  6. Step 6: Final answer
    x = 9,833.52

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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.