Home / 18,333.37-25,295.65-10,779.31

Finding the Fourth Proportional to 18,333.37, 25,295.65 and 10,779.31

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Solution

The fourth proportional to 18,333.37, 25,295.65 and 10,779.31 is: 14,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.37 : 25,295.65 = 10,779.31 : x
  2. Step 2: Convert to fraction form
    18,333.37/25,295.65 = 10,779.31/x
  3. Step 3: Cross multiply
    18,333.37x = 25,295.65 × 10,779.31
  4. Step 4: Simplify right side
    18,333.37x = 272,669,653.00
  5. Step 5: Solve for x
    x = 272,669,653.00/18,333.37
  6. Step 6: Final answer
    x = 14,872.86

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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.