Home / 14,331.56-19,779.24-8,665.64

Finding the Fourth Proportional to 14,331.56, 19,779.24 and 8,665.64

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Solution

The fourth proportional to 14,331.56, 19,779.24 and 8,665.64 is: 11,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.56 : 19,779.24 = 8,665.64 : x
  2. Step 2: Convert to fraction form
    14,331.56/19,779.24 = 8,665.64/x
  3. Step 3: Cross multiply
    14,331.56x = 19,779.24 × 8,665.64
  4. Step 4: Simplify right side
    14,331.56x = 171,399,773.31
  5. Step 5: Solve for x
    x = 171,399,773.31/14,331.56
  6. Step 6: Final answer
    x = 11,959.60

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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.