Home / 15,366.63-21,208.01-8,995.17

Finding the Fourth Proportional to 15,366.63, 21,208.01 and 8,995.17

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Solution

The fourth proportional to 15,366.63, 21,208.01 and 8,995.17 is: 12,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.63 : 21,208.01 = 8,995.17 : x
  2. Step 2: Convert to fraction form
    15,366.63/21,208.01 = 8,995.17/x
  3. Step 3: Cross multiply
    15,366.63x = 21,208.01 × 8,995.17
  4. Step 4: Simplify right side
    15,366.63x = 190,769,610.34
  5. Step 5: Solve for x
    x = 190,769,610.34/15,366.63
  6. Step 6: Final answer
    x = 12,414.54

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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.