Home / 11,779.18-16,248.50-7,355.50

Finding the Fourth Proportional to 11,779.18, 16,248.50 and 7,355.50

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Solution

The fourth proportional to 11,779.18, 16,248.50 and 7,355.50 is: 10,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.18 : 16,248.50 = 7,355.50 : x
  2. Step 2: Convert to fraction form
    11,779.18/16,248.50 = 7,355.50/x
  3. Step 3: Cross multiply
    11,779.18x = 16,248.50 × 7,355.50
  4. Step 4: Simplify right side
    11,779.18x = 119,515,841.75
  5. Step 5: Solve for x
    x = 119,515,841.75/11,779.18
  6. Step 6: Final answer
    x = 10,146.36

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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.