Home / 15,779.06-23,636.38-9,836.50

Finding the Fourth Proportional to 15,779.06, 23,636.38 and 9,836.50

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Solution

The fourth proportional to 15,779.06, 23,636.38 and 9,836.50 is: 14,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.06 : 23,636.38 = 9,836.50 : x
  2. Step 2: Convert to fraction form
    15,779.06/23,636.38 = 9,836.50/x
  3. Step 3: Cross multiply
    15,779.06x = 23,636.38 × 9,836.50
  4. Step 4: Simplify right side
    15,779.06x = 232,499,251.87
  5. Step 5: Solve for x
    x = 232,499,251.87/15,779.06
  6. Step 6: Final answer
    x = 14,734.67

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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.