Home / 14,106.42-21,154.77-4,243.05

Finding the Fourth Proportional to 14,106.42, 21,154.77 and 4,243.05

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Solution

The fourth proportional to 14,106.42, 21,154.77 and 4,243.05 is: 6,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.42 : 21,154.77 = 4,243.05 : x
  2. Step 2: Convert to fraction form
    14,106.42/21,154.77 = 4,243.05/x
  3. Step 3: Cross multiply
    14,106.42x = 21,154.77 × 4,243.05
  4. Step 4: Simplify right side
    14,106.42x = 89,760,746.85
  5. Step 5: Solve for x
    x = 89,760,746.85/14,106.42
  6. Step 6: Final answer
    x = 6,363.11

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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.