Home / 14,211.10-21,334.20-8,946.10

Finding the Fourth Proportional to 14,211.10, 21,334.20 and 8,946.10

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Solution

The fourth proportional to 14,211.10, 21,334.20 and 8,946.10 is: 13,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.10 : 21,334.20 = 8,946.10 : x
  2. Step 2: Convert to fraction form
    14,211.10/21,334.20 = 8,946.10/x
  3. Step 3: Cross multiply
    14,211.10x = 21,334.20 × 8,946.10
  4. Step 4: Simplify right side
    14,211.10x = 190,857,886.62
  5. Step 5: Solve for x
    x = 190,857,886.62/14,211.10
  6. Step 6: Final answer
    x = 13,430.20

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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.