Home / 14,156.94-21,232.58-13,454.40

Finding the Fourth Proportional to 14,156.94, 21,232.58 and 13,454.40

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Solution

The fourth proportional to 14,156.94, 21,232.58 and 13,454.40 is: 20,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.94 : 21,232.58 = 13,454.40 : x
  2. Step 2: Convert to fraction form
    14,156.94/21,232.58 = 13,454.40/x
  3. Step 3: Cross multiply
    14,156.94x = 21,232.58 × 13,454.40
  4. Step 4: Simplify right side
    14,156.94x = 285,671,557.08
  5. Step 5: Solve for x
    x = 285,671,557.08/14,156.94
  6. Step 6: Final answer
    x = 20,178.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.