Home / 12,539.27-18,779.00-7,263.12

Finding the Fourth Proportional to 12,539.27, 18,779.00 and 7,263.12

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Solution

The fourth proportional to 12,539.27, 18,779.00 and 7,263.12 is: 10,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.27 : 18,779.00 = 7,263.12 : x
  2. Step 2: Convert to fraction form
    12,539.27/18,779.00 = 7,263.12/x
  3. Step 3: Cross multiply
    12,539.27x = 18,779.00 × 7,263.12
  4. Step 4: Simplify right side
    12,539.27x = 136,394,094.16
  5. Step 5: Solve for x
    x = 136,394,094.16/12,539.27
  6. Step 6: Final answer
    x = 10,877.36

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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.