Home / 12,032.34-18,048.08-5,453.92

Finding the Fourth Proportional to 12,032.34, 18,048.08 and 5,453.92

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Solution

The fourth proportional to 12,032.34, 18,048.08 and 5,453.92 is: 8,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.34 : 18,048.08 = 5,453.92 : x
  2. Step 2: Convert to fraction form
    12,032.34/18,048.08 = 5,453.92/x
  3. Step 3: Cross multiply
    12,032.34x = 18,048.08 × 5,453.92
  4. Step 4: Simplify right side
    12,032.34x = 98,432,784.47
  5. Step 5: Solve for x
    x = 98,432,784.47/12,032.34
  6. Step 6: Final answer
    x = 8,180.69

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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.