Home / 14,276.99-19,704.51-8,612.55

Finding the Fourth Proportional to 14,276.99, 19,704.51 and 8,612.55

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Solution

The fourth proportional to 14,276.99, 19,704.51 and 8,612.55 is: 11,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.99 : 19,704.51 = 8,612.55 : x
  2. Step 2: Convert to fraction form
    14,276.99/19,704.51 = 8,612.55/x
  3. Step 3: Cross multiply
    14,276.99x = 19,704.51 × 8,612.55
  4. Step 4: Simplify right side
    14,276.99x = 169,706,077.60
  5. Step 5: Solve for x
    x = 169,706,077.60/14,276.99
  6. Step 6: Final answer
    x = 11,886.68

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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.