Home / 15,341.33-21,172.63-9,376.97

Finding the Fourth Proportional to 15,341.33, 21,172.63 and 9,376.97

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Solution

The fourth proportional to 15,341.33, 21,172.63 and 9,376.97 is: 12,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.33 : 21,172.63 = 9,376.97 : x
  2. Step 2: Convert to fraction form
    15,341.33/21,172.63 = 9,376.97/x
  3. Step 3: Cross multiply
    15,341.33x = 21,172.63 × 9,376.97
  4. Step 4: Simplify right side
    15,341.33x = 198,534,987.03
  5. Step 5: Solve for x
    x = 198,534,987.03/15,341.33
  6. Step 6: Final answer
    x = 12,941.19

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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.