Home / 14,289.86-21,426.96-4,426.40

Finding the Fourth Proportional to 14,289.86, 21,426.96 and 4,426.40

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Solution

The fourth proportional to 14,289.86, 21,426.96 and 4,426.40 is: 6,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.86 : 21,426.96 = 4,426.40 : x
  2. Step 2: Convert to fraction form
    14,289.86/21,426.96 = 4,426.40/x
  3. Step 3: Cross multiply
    14,289.86x = 21,426.96 × 4,426.40
  4. Step 4: Simplify right side
    14,289.86x = 94,844,295.74
  5. Step 5: Solve for x
    x = 94,844,295.74/14,289.86
  6. Step 6: Final answer
    x = 6,637.17

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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.