Home / 11,114.08-15,337.28-6,398.34

Finding the Fourth Proportional to 11,114.08, 15,337.28 and 6,398.34

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Solution

The fourth proportional to 11,114.08, 15,337.28 and 6,398.34 is: 8,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.08 : 15,337.28 = 6,398.34 : x
  2. Step 2: Convert to fraction form
    11,114.08/15,337.28 = 6,398.34/x
  3. Step 3: Cross multiply
    11,114.08x = 15,337.28 × 6,398.34
  4. Step 4: Simplify right side
    11,114.08x = 98,133,132.12
  5. Step 5: Solve for x
    x = 98,133,132.12/11,114.08
  6. Step 6: Final answer
    x = 8,829.62

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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.