Home / 9,418.86-14,136.05-4,740.21

Finding the Fourth Proportional to 9,418.86, 14,136.05 and 4,740.21

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Solution

The fourth proportional to 9,418.86, 14,136.05 and 4,740.21 is: 7,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.86 : 14,136.05 = 4,740.21 : x
  2. Step 2: Convert to fraction form
    9,418.86/14,136.05 = 4,740.21/x
  3. Step 3: Cross multiply
    9,418.86x = 14,136.05 × 4,740.21
  4. Step 4: Simplify right side
    9,418.86x = 67,007,857.42
  5. Step 5: Solve for x
    x = 67,007,857.42/9,418.86
  6. Step 6: Final answer
    x = 7,114.22

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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.