Home / 15,432.90-23,150.56-4,340.50

Finding the Fourth Proportional to 15,432.90, 23,150.56 and 4,340.50

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Solution

The fourth proportional to 15,432.90, 23,150.56 and 4,340.50 is: 6,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.90 : 23,150.56 = 4,340.50 : x
  2. Step 2: Convert to fraction form
    15,432.90/23,150.56 = 4,340.50/x
  3. Step 3: Cross multiply
    15,432.90x = 23,150.56 × 4,340.50
  4. Step 4: Simplify right side
    15,432.90x = 100,485,005.68
  5. Step 5: Solve for x
    x = 100,485,005.68/15,432.90
  6. Step 6: Final answer
    x = 6,511.09

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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.