Home / 8,412.36-12,593.93-6,645.03

Finding the Fourth Proportional to 8,412.36, 12,593.93 and 6,645.03

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Solution

The fourth proportional to 8,412.36, 12,593.93 and 6,645.03 is: 9,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.36 : 12,593.93 = 6,645.03 : x
  2. Step 2: Convert to fraction form
    8,412.36/12,593.93 = 6,645.03/x
  3. Step 3: Cross multiply
    8,412.36x = 12,593.93 × 6,645.03
  4. Step 4: Simplify right side
    8,412.36x = 83,687,009.44
  5. Step 5: Solve for x
    x = 83,687,009.44/8,412.36
  6. Step 6: Final answer
    x = 9,948.10

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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.