Home / 15,390.84-23,089.14-6,157.56

Finding the Fourth Proportional to 15,390.84, 23,089.14 and 6,157.56

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Solution

The fourth proportional to 15,390.84, 23,089.14 and 6,157.56 is: 9,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.84 : 23,089.14 = 6,157.56 : x
  2. Step 2: Convert to fraction form
    15,390.84/23,089.14 = 6,157.56/x
  3. Step 3: Cross multiply
    15,390.84x = 23,089.14 × 6,157.56
  4. Step 4: Simplify right side
    15,390.84x = 142,172,764.90
  5. Step 5: Solve for x
    x = 142,172,764.90/15,390.84
  6. Step 6: Final answer
    x = 9,237.49

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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.