Home / 14,106.92-21,162.18-4,742.92

Finding the Fourth Proportional to 14,106.92, 21,162.18 and 4,742.92

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Solution

The fourth proportional to 14,106.92, 21,162.18 and 4,742.92 is: 7,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.92 : 21,162.18 = 4,742.92 : x
  2. Step 2: Convert to fraction form
    14,106.92/21,162.18 = 4,742.92/x
  3. Step 3: Cross multiply
    14,106.92x = 21,162.18 × 4,742.92
  4. Step 4: Simplify right side
    14,106.92x = 100,370,526.77
  5. Step 5: Solve for x
    x = 100,370,526.77/14,106.92
  6. Step 6: Final answer
    x = 7,114.99

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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.