Home / 11,312.18-16,974.88-4,737.81

Finding the Fourth Proportional to 11,312.18, 16,974.88 and 4,737.81

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Solution

The fourth proportional to 11,312.18, 16,974.88 and 4,737.81 is: 7,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.18 : 16,974.88 = 4,737.81 : x
  2. Step 2: Convert to fraction form
    11,312.18/16,974.88 = 4,737.81/x
  3. Step 3: Cross multiply
    11,312.18x = 16,974.88 × 4,737.81
  4. Step 4: Simplify right side
    11,312.18x = 80,423,744.37
  5. Step 5: Solve for x
    x = 80,423,744.37/11,312.18
  6. Step 6: Final answer
    x = 7,109.49

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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.