Home / 14,282.42-21,424.53-4,420.87

Finding the Fourth Proportional to 14,282.42, 21,424.53 and 4,420.87

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Solution

The fourth proportional to 14,282.42, 21,424.53 and 4,420.87 is: 6,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.42 : 21,424.53 = 4,420.87 : x
  2. Step 2: Convert to fraction form
    14,282.42/21,424.53 = 4,420.87/x
  3. Step 3: Cross multiply
    14,282.42x = 21,424.53 × 4,420.87
  4. Step 4: Simplify right side
    14,282.42x = 94,715,061.94
  5. Step 5: Solve for x
    x = 94,715,061.94/14,282.42
  6. Step 6: Final answer
    x = 6,631.58

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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.