Home / 19,332.20-28,964.70-8,922.60

Finding the Fourth Proportional to 19,332.20, 28,964.70 and 8,922.60

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Solution

The fourth proportional to 19,332.20, 28,964.70 and 8,922.60 is: 13,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.20 : 28,964.70 = 8,922.60 : x
  2. Step 2: Convert to fraction form
    19,332.20/28,964.70 = 8,922.60/x
  3. Step 3: Cross multiply
    19,332.20x = 28,964.70 × 8,922.60
  4. Step 4: Simplify right side
    19,332.20x = 258,440,432.22
  5. Step 5: Solve for x
    x = 258,440,432.22/19,332.20
  6. Step 6: Final answer
    x = 13,368.39

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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.