Home / 15,323.20-22,984.80-4,231.60

Finding the Fourth Proportional to 15,323.20, 22,984.80 and 4,231.60

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Solution

The fourth proportional to 15,323.20, 22,984.80 and 4,231.60 is: 6,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.20 : 22,984.80 = 4,231.60 : x
  2. Step 2: Convert to fraction form
    15,323.20/22,984.80 = 4,231.60/x
  3. Step 3: Cross multiply
    15,323.20x = 22,984.80 × 4,231.60
  4. Step 4: Simplify right side
    15,323.20x = 97,262,479.68
  5. Step 5: Solve for x
    x = 97,262,479.68/15,323.20
  6. Step 6: Final answer
    x = 6,347.40

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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.