Home / 13,802.28-19,044.20-9,546.48

Finding the Fourth Proportional to 13,802.28, 19,044.20 and 9,546.48

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Solution

The fourth proportional to 13,802.28, 19,044.20 and 9,546.48 is: 13,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.28 : 19,044.20 = 9,546.48 : x
  2. Step 2: Convert to fraction form
    13,802.28/19,044.20 = 9,546.48/x
  3. Step 3: Cross multiply
    13,802.28x = 19,044.20 × 9,546.48
  4. Step 4: Simplify right side
    13,802.28x = 181,805,074.42
  5. Step 5: Solve for x
    x = 181,805,074.42/13,802.28
  6. Step 6: Final answer
    x = 13,172.10

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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.