Home / 15,380.96-23,071.45-4,287.68

Finding the Fourth Proportional to 15,380.96, 23,071.45 and 4,287.68

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Solution

The fourth proportional to 15,380.96, 23,071.45 and 4,287.68 is: 6,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.96 : 23,071.45 = 4,287.68 : x
  2. Step 2: Convert to fraction form
    15,380.96/23,071.45 = 4,287.68/x
  3. Step 3: Cross multiply
    15,380.96x = 23,071.45 × 4,287.68
  4. Step 4: Simplify right side
    15,380.96x = 98,922,994.74
  5. Step 5: Solve for x
    x = 98,922,994.74/15,380.96
  6. Step 6: Final answer
    x = 6,431.52

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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.