Home / 19,298.20-28,948.65-8,203.63

Finding the Fourth Proportional to 19,298.20, 28,948.65 and 8,203.63

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Solution

The fourth proportional to 19,298.20, 28,948.65 and 8,203.63 is: 12,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.20 : 28,948.65 = 8,203.63 : x
  2. Step 2: Convert to fraction form
    19,298.20/28,948.65 = 8,203.63/x
  3. Step 3: Cross multiply
    19,298.20x = 28,948.65 × 8,203.63
  4. Step 4: Simplify right side
    19,298.20x = 237,484,013.60
  5. Step 5: Solve for x
    x = 237,484,013.60/19,298.20
  6. Step 6: Final answer
    x = 12,306.02

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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.