Home / 20,256.60-27,956.66-11,756.90

Finding the Fourth Proportional to 20,256.60, 27,956.66 and 11,756.90

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Solution

The fourth proportional to 20,256.60, 27,956.66 and 11,756.90 is: 16,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.60 : 27,956.66 = 11,756.90 : x
  2. Step 2: Convert to fraction form
    20,256.60/27,956.66 = 11,756.90/x
  3. Step 3: Cross multiply
    20,256.60x = 27,956.66 × 11,756.90
  4. Step 4: Simplify right side
    20,256.60x = 328,683,457.39
  5. Step 5: Solve for x
    x = 328,683,457.39/20,256.60
  6. Step 6: Final answer
    x = 16,225.99

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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.