Home / 14,245.86-21,360.96-4,382.40

Finding the Fourth Proportional to 14,245.86, 21,360.96 and 4,382.40

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Solution

The fourth proportional to 14,245.86, 21,360.96 and 4,382.40 is: 6,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.86 : 21,360.96 = 4,382.40 : x
  2. Step 2: Convert to fraction form
    14,245.86/21,360.96 = 4,382.40/x
  3. Step 3: Cross multiply
    14,245.86x = 21,360.96 × 4,382.40
  4. Step 4: Simplify right side
    14,245.86x = 93,612,271.10
  5. Step 5: Solve for x
    x = 93,612,271.10/14,245.86
  6. Step 6: Final answer
    x = 6,571.19

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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.