Home / 15,697.06-21,661.80-8,526.82

Finding the Fourth Proportional to 15,697.06, 21,661.80 and 8,526.82

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Solution

The fourth proportional to 15,697.06, 21,661.80 and 8,526.82 is: 11,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.06 : 21,661.80 = 8,526.82 : x
  2. Step 2: Convert to fraction form
    15,697.06/21,661.80 = 8,526.82/x
  3. Step 3: Cross multiply
    15,697.06x = 21,661.80 × 8,526.82
  4. Step 4: Simplify right side
    15,697.06x = 184,706,269.48
  5. Step 5: Solve for x
    x = 184,706,269.48/15,697.06
  6. Step 6: Final answer
    x = 11,766.93

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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.