Home / 11,398.34-15,730.50-6,363.55

Finding the Fourth Proportional to 11,398.34, 15,730.50 and 6,363.55

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Solution

The fourth proportional to 11,398.34, 15,730.50 and 6,363.55 is: 8,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.34 : 15,730.50 = 6,363.55 : x
  2. Step 2: Convert to fraction form
    11,398.34/15,730.50 = 6,363.55/x
  3. Step 3: Cross multiply
    11,398.34x = 15,730.50 × 6,363.55
  4. Step 4: Simplify right side
    11,398.34x = 100,101,823.28
  5. Step 5: Solve for x
    x = 100,101,823.28/11,398.34
  6. Step 6: Final answer
    x = 8,782.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.