Home / 14,627.10-21,940.65-8,406.30

Finding the Fourth Proportional to 14,627.10, 21,940.65 and 8,406.30

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Solution

The fourth proportional to 14,627.10, 21,940.65 and 8,406.30 is: 12,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.10 : 21,940.65 = 8,406.30 : x
  2. Step 2: Convert to fraction form
    14,627.10/21,940.65 = 8,406.30/x
  3. Step 3: Cross multiply
    14,627.10x = 21,940.65 × 8,406.30
  4. Step 4: Simplify right side
    14,627.10x = 184,439,686.10
  5. Step 5: Solve for x
    x = 184,439,686.10/14,627.10
  6. Step 6: Final answer
    x = 12,609.45

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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.