Home / 12,432.36-18,635.58-5,041.92

Finding the Fourth Proportional to 12,432.36, 18,635.58 and 5,041.92

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Solution

The fourth proportional to 12,432.36, 18,635.58 and 5,041.92 is: 7,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.36 : 18,635.58 = 5,041.92 : x
  2. Step 2: Convert to fraction form
    12,432.36/18,635.58 = 5,041.92/x
  3. Step 3: Cross multiply
    12,432.36x = 18,635.58 × 5,041.92
  4. Step 4: Simplify right side
    12,432.36x = 93,959,103.51
  5. Step 5: Solve for x
    x = 93,959,103.51/12,432.36
  6. Step 6: Final answer
    x = 7,557.62

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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.