Home / 11,356.00-15,670.82-6,320.08

Finding the Fourth Proportional to 11,356.00, 15,670.82 and 6,320.08

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Solution

The fourth proportional to 11,356.00, 15,670.82 and 6,320.08 is: 8,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.00 : 15,670.82 = 6,320.08 : x
  2. Step 2: Convert to fraction form
    11,356.00/15,670.82 = 6,320.08/x
  3. Step 3: Cross multiply
    11,356.00x = 15,670.82 × 6,320.08
  4. Step 4: Simplify right side
    11,356.00x = 99,040,747.76
  5. Step 5: Solve for x
    x = 99,040,747.76/11,356.00
  6. Step 6: Final answer
    x = 8,721.45

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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.