Home / 14,722.64-20,316.66-8,433.80

Finding the Fourth Proportional to 14,722.64, 20,316.66 and 8,433.80

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Solution

The fourth proportional to 14,722.64, 20,316.66 and 8,433.80 is: 11,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.64 : 20,316.66 = 8,433.80 : x
  2. Step 2: Convert to fraction form
    14,722.64/20,316.66 = 8,433.80/x
  3. Step 3: Cross multiply
    14,722.64x = 20,316.66 × 8,433.80
  4. Step 4: Simplify right side
    14,722.64x = 171,346,647.11
  5. Step 5: Solve for x
    x = 171,346,647.11/14,722.64
  6. Step 6: Final answer
    x = 11,638.31

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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.