Home / 14,180.45-19,569.01-7,894.31

Finding the Fourth Proportional to 14,180.45, 19,569.01 and 7,894.31

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Solution

The fourth proportional to 14,180.45, 19,569.01 and 7,894.31 is: 10,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.45 : 19,569.01 = 7,894.31 : x
  2. Step 2: Convert to fraction form
    14,180.45/19,569.01 = 7,894.31/x
  3. Step 3: Cross multiply
    14,180.45x = 19,569.01 × 7,894.31
  4. Step 4: Simplify right side
    14,180.45x = 154,483,713.75
  5. Step 5: Solve for x
    x = 154,483,713.75/14,180.45
  6. Step 6: Final answer
    x = 10,894.14

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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.