Home / 14,253.39-19,669.54-7,880.14

Finding the Fourth Proportional to 14,253.39, 19,669.54 and 7,880.14

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Solution

The fourth proportional to 14,253.39, 19,669.54 and 7,880.14 is: 10,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.39 : 19,669.54 = 7,880.14 : x
  2. Step 2: Convert to fraction form
    14,253.39/19,669.54 = 7,880.14/x
  3. Step 3: Cross multiply
    14,253.39x = 19,669.54 × 7,880.14
  4. Step 4: Simplify right side
    14,253.39x = 154,998,728.94
  5. Step 5: Solve for x
    x = 154,998,728.94/14,253.39
  6. Step 6: Final answer
    x = 10,874.52

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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.