Home / 15,349.47-22,912.14-13,172.19

Finding the Fourth Proportional to 15,349.47, 22,912.14 and 13,172.19

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Solution

The fourth proportional to 15,349.47, 22,912.14 and 13,172.19 is: 19,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.47 : 22,912.14 = 13,172.19 : x
  2. Step 2: Convert to fraction form
    15,349.47/22,912.14 = 13,172.19/x
  3. Step 3: Cross multiply
    15,349.47x = 22,912.14 × 13,172.19
  4. Step 4: Simplify right side
    15,349.47x = 301,803,061.39
  5. Step 5: Solve for x
    x = 301,803,061.39/15,349.47
  6. Step 6: Final answer
    x = 19,662.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.