Home / 14,275.86-21,405.96-4,412.40

Finding the Fourth Proportional to 14,275.86, 21,405.96 and 4,412.40

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Solution

The fourth proportional to 14,275.86, 21,405.96 and 4,412.40 is: 6,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.86 : 21,405.96 = 4,412.40 : x
  2. Step 2: Convert to fraction form
    14,275.86/21,405.96 = 4,412.40/x
  3. Step 3: Cross multiply
    14,275.86x = 21,405.96 × 4,412.40
  4. Step 4: Simplify right side
    14,275.86x = 94,451,657.90
  5. Step 5: Solve for x
    x = 94,451,657.90/14,275.86
  6. Step 6: Final answer
    x = 6,616.18

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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.