Home / 14,271.60-21,401.94-4,909.92

Finding the Fourth Proportional to 14,271.60, 21,401.94 and 4,909.92

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Solution

The fourth proportional to 14,271.60, 21,401.94 and 4,909.92 is: 7,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.60 : 21,401.94 = 4,909.92 : x
  2. Step 2: Convert to fraction form
    14,271.60/21,401.94 = 4,909.92/x
  3. Step 3: Cross multiply
    14,271.60x = 21,401.94 × 4,909.92
  4. Step 4: Simplify right side
    14,271.60x = 105,081,813.24
  5. Step 5: Solve for x
    x = 105,081,813.24/14,271.60
  6. Step 6: Final answer
    x = 7,363.00

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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.