Home / 11,136.74-15,362.12-6,597.81

Finding the Fourth Proportional to 11,136.74, 15,362.12 and 6,597.81

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Solution

The fourth proportional to 11,136.74, 15,362.12 and 6,597.81 is: 9,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.74 : 15,362.12 = 6,597.81 : x
  2. Step 2: Convert to fraction form
    11,136.74/15,362.12 = 6,597.81/x
  3. Step 3: Cross multiply
    11,136.74x = 15,362.12 × 6,597.81
  4. Step 4: Simplify right side
    11,136.74x = 101,356,365.45
  5. Step 5: Solve for x
    x = 101,356,365.45/11,136.74
  6. Step 6: Final answer
    x = 9,101.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.