Home / 14,219.10-21,346.20-8,954.10

Finding the Fourth Proportional to 14,219.10, 21,346.20 and 8,954.10

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Solution

The fourth proportional to 14,219.10, 21,346.20 and 8,954.10 is: 13,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.10 : 21,346.20 = 8,954.10 : x
  2. Step 2: Convert to fraction form
    14,219.10/21,346.20 = 8,954.10/x
  3. Step 3: Cross multiply
    14,219.10x = 21,346.20 × 8,954.10
  4. Step 4: Simplify right side
    14,219.10x = 191,136,009.42
  5. Step 5: Solve for x
    x = 191,136,009.42/14,219.10
  6. Step 6: Final answer
    x = 13,442.20

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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.