Home / 15,526.98-23,289.93-5,138.64

Finding the Fourth Proportional to 15,526.98, 23,289.93 and 5,138.64

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Solution

The fourth proportional to 15,526.98, 23,289.93 and 5,138.64 is: 7,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.98 : 23,289.93 = 5,138.64 : x
  2. Step 2: Convert to fraction form
    15,526.98/23,289.93 = 5,138.64/x
  3. Step 3: Cross multiply
    15,526.98x = 23,289.93 × 5,138.64
  4. Step 4: Simplify right side
    15,526.98x = 119,678,565.90
  5. Step 5: Solve for x
    x = 119,678,565.90/15,526.98
  6. Step 6: Final answer
    x = 7,707.78

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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.