Home / 15,363.66-21,199.05-9,694.47

Finding the Fourth Proportional to 15,363.66, 21,199.05 and 9,694.47

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Solution

The fourth proportional to 15,363.66, 21,199.05 and 9,694.47 is: 13,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.66 : 21,199.05 = 9,694.47 : x
  2. Step 2: Convert to fraction form
    15,363.66/21,199.05 = 9,694.47/x
  3. Step 3: Cross multiply
    15,363.66x = 21,199.05 × 9,694.47
  4. Step 4: Simplify right side
    15,363.66x = 205,513,554.25
  5. Step 5: Solve for x
    x = 205,513,554.25/15,363.66
  6. Step 6: Final answer
    x = 13,376.60

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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.