Home / 15,570.20-21,486.67-8,496.50

Finding the Fourth Proportional to 15,570.20, 21,486.67 and 8,496.50

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Solution

The fourth proportional to 15,570.20, 21,486.67 and 8,496.50 is: 11,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.20 : 21,486.67 = 8,496.50 : x
  2. Step 2: Convert to fraction form
    15,570.20/21,486.67 = 8,496.50/x
  3. Step 3: Cross multiply
    15,570.20x = 21,486.67 × 8,496.50
  4. Step 4: Simplify right side
    15,570.20x = 182,561,362.98
  5. Step 5: Solve for x
    x = 182,561,362.98/15,570.20
  6. Step 6: Final answer
    x = 11,725.05

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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.