Home / 14,870.76-20,522.24-8,156.64

Finding the Fourth Proportional to 14,870.76, 20,522.24 and 8,156.64

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Solution

The fourth proportional to 14,870.76, 20,522.24 and 8,156.64 is: 11,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.76 : 20,522.24 = 8,156.64 : x
  2. Step 2: Convert to fraction form
    14,870.76/20,522.24 = 8,156.64/x
  3. Step 3: Cross multiply
    14,870.76x = 20,522.24 × 8,156.64
  4. Step 4: Simplify right side
    14,870.76x = 167,392,523.67
  5. Step 5: Solve for x
    x = 167,392,523.67/14,870.76
  6. Step 6: Final answer
    x = 11,256.49

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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.