Home / 14,242.42-21,356.61-4,379.05

Finding the Fourth Proportional to 14,242.42, 21,356.61 and 4,379.05

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Solution

The fourth proportional to 14,242.42, 21,356.61 and 4,379.05 is: 6,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.42 : 21,356.61 = 4,379.05 : x
  2. Step 2: Convert to fraction form
    14,242.42/21,356.61 = 4,379.05/x
  3. Step 3: Cross multiply
    14,242.42x = 21,356.61 × 4,379.05
  4. Step 4: Simplify right side
    14,242.42x = 93,521,663.02
  5. Step 5: Solve for x
    x = 93,521,663.02/14,242.42
  6. Step 6: Final answer
    x = 6,566.42

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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.