Home / 11,214.02-16,820.12-2,894.34

Finding the Fourth Proportional to 11,214.02, 16,820.12 and 2,894.34

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Solution

The fourth proportional to 11,214.02, 16,820.12 and 2,894.34 is: 4,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.02 : 16,820.12 = 2,894.34 : x
  2. Step 2: Convert to fraction form
    11,214.02/16,820.12 = 2,894.34/x
  3. Step 3: Cross multiply
    11,214.02x = 16,820.12 × 2,894.34
  4. Step 4: Simplify right side
    11,214.02x = 48,683,146.12
  5. Step 5: Solve for x
    x = 48,683,146.12/11,214.02
  6. Step 6: Final answer
    x = 4,341.28

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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.