Home / 13,916.74-20,878.20-4,056.76

Finding the Fourth Proportional to 13,916.74, 20,878.20 and 4,056.76

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Solution

The fourth proportional to 13,916.74, 20,878.20 and 4,056.76 is: 6,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.74 : 20,878.20 = 4,056.76 : x
  2. Step 2: Convert to fraction form
    13,916.74/20,878.20 = 4,056.76/x
  3. Step 3: Cross multiply
    13,916.74x = 20,878.20 × 4,056.76
  4. Step 4: Simplify right side
    13,916.74x = 84,697,846.63
  5. Step 5: Solve for x
    x = 84,697,846.63/13,916.74
  6. Step 6: Final answer
    x = 6,086.04

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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.