Home / 14,870.94-20,522.09-8,156.13

Finding the Fourth Proportional to 14,870.94, 20,522.09 and 8,156.13

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Solution

The fourth proportional to 14,870.94, 20,522.09 and 8,156.13 is: 11,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.94 : 20,522.09 = 8,156.13 : x
  2. Step 2: Convert to fraction form
    14,870.94/20,522.09 = 8,156.13/x
  3. Step 3: Cross multiply
    14,870.94x = 20,522.09 × 8,156.13
  4. Step 4: Simplify right side
    14,870.94x = 167,380,777.34
  5. Step 5: Solve for x
    x = 167,380,777.34/14,870.94
  6. Step 6: Final answer
    x = 11,255.56

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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.