Home / 12,302.48-18,455.28-4,402.64

Finding the Fourth Proportional to 12,302.48, 18,455.28 and 4,402.64

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Solution

The fourth proportional to 12,302.48, 18,455.28 and 4,402.64 is: 6,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.48 : 18,455.28 = 4,402.64 : x
  2. Step 2: Convert to fraction form
    12,302.48/18,455.28 = 4,402.64/x
  3. Step 3: Cross multiply
    12,302.48x = 18,455.28 × 4,402.64
  4. Step 4: Simplify right side
    12,302.48x = 81,251,953.94
  5. Step 5: Solve for x
    x = 81,251,953.94/12,302.48
  6. Step 6: Final answer
    x = 6,604.52

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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.