Home / 10,872.68-16,314.42-4,303.58

Finding the Fourth Proportional to 10,872.68, 16,314.42 and 4,303.58

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Solution

The fourth proportional to 10,872.68, 16,314.42 and 4,303.58 is: 6,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.68 : 16,314.42 = 4,303.58 : x
  2. Step 2: Convert to fraction form
    10,872.68/16,314.42 = 4,303.58/x
  3. Step 3: Cross multiply
    10,872.68x = 16,314.42 × 4,303.58
  4. Step 4: Simplify right side
    10,872.68x = 70,210,411.62
  5. Step 5: Solve for x
    x = 70,210,411.62/10,872.68
  6. Step 6: Final answer
    x = 6,457.51

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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.