Home / 15,122.40-22,672.80-6,795.60

Finding the Fourth Proportional to 15,122.40, 22,672.80 and 6,795.60

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Solution

The fourth proportional to 15,122.40, 22,672.80 and 6,795.60 is: 10,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.40 : 22,672.80 = 6,795.60 : x
  2. Step 2: Convert to fraction form
    15,122.40/22,672.80 = 6,795.60/x
  3. Step 3: Cross multiply
    15,122.40x = 22,672.80 × 6,795.60
  4. Step 4: Simplify right side
    15,122.40x = 154,075,279.68
  5. Step 5: Solve for x
    x = 154,075,279.68/15,122.40
  6. Step 6: Final answer
    x = 10,188.55

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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.