Home / 12,417.35-18,615.56-5,392.08

Finding the Fourth Proportional to 12,417.35, 18,615.56 and 5,392.08

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Solution

The fourth proportional to 12,417.35, 18,615.56 and 5,392.08 is: 8,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.35 : 18,615.56 = 5,392.08 : x
  2. Step 2: Convert to fraction form
    12,417.35/18,615.56 = 5,392.08/x
  3. Step 3: Cross multiply
    12,417.35x = 18,615.56 × 5,392.08
  4. Step 4: Simplify right side
    12,417.35x = 100,376,561.80
  5. Step 5: Solve for x
    x = 100,376,561.80/12,417.35
  6. Step 6: Final answer
    x = 8,083.58

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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.