Home / 15,455.95-23,173.59-7,124.70

Finding the Fourth Proportional to 15,455.95, 23,173.59 and 7,124.70

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Solution

The fourth proportional to 15,455.95, 23,173.59 and 7,124.70 is: 10,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.95 : 23,173.59 = 7,124.70 : x
  2. Step 2: Convert to fraction form
    15,455.95/23,173.59 = 7,124.70/x
  3. Step 3: Cross multiply
    15,455.95x = 23,173.59 × 7,124.70
  4. Step 4: Simplify right side
    15,455.95x = 165,104,876.67
  5. Step 5: Solve for x
    x = 165,104,876.67/15,455.95
  6. Step 6: Final answer
    x = 10,682.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.