Home / 15,666.35-21,617.56-8,952.41

Finding the Fourth Proportional to 15,666.35, 21,617.56 and 8,952.41

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Solution

The fourth proportional to 15,666.35, 21,617.56 and 8,952.41 is: 12,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.35 : 21,617.56 = 8,952.41 : x
  2. Step 2: Convert to fraction form
    15,666.35/21,617.56 = 8,952.41/x
  3. Step 3: Cross multiply
    15,666.35x = 21,617.56 × 8,952.41
  4. Step 4: Simplify right side
    15,666.35x = 193,529,260.32
  5. Step 5: Solve for x
    x = 193,529,260.32/15,666.35
  6. Step 6: Final answer
    x = 12,353.18

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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.