Home / 15,153.58-22,740.15-6,388.54

Finding the Fourth Proportional to 15,153.58, 22,740.15 and 6,388.54

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Solution

The fourth proportional to 15,153.58, 22,740.15 and 6,388.54 is: 9,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.58 : 22,740.15 = 6,388.54 : x
  2. Step 2: Convert to fraction form
    15,153.58/22,740.15 = 6,388.54/x
  3. Step 3: Cross multiply
    15,153.58x = 22,740.15 × 6,388.54
  4. Step 4: Simplify right side
    15,153.58x = 145,276,357.88
  5. Step 5: Solve for x
    x = 145,276,357.88/15,153.58
  6. Step 6: Final answer
    x = 9,586.93

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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.