Home / 13,972.77-19,278.54-8,933.63

Finding the Fourth Proportional to 13,972.77, 19,278.54 and 8,933.63

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Solution

The fourth proportional to 13,972.77, 19,278.54 and 8,933.63 is: 12,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.77 : 19,278.54 = 8,933.63 : x
  2. Step 2: Convert to fraction form
    13,972.77/19,278.54 = 8,933.63/x
  3. Step 3: Cross multiply
    13,972.77x = 19,278.54 × 8,933.63
  4. Step 4: Simplify right side
    13,972.77x = 172,227,246.91
  5. Step 5: Solve for x
    x = 172,227,246.91/13,972.77
  6. Step 6: Final answer
    x = 12,325.92

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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.