Home / 14,289.05-21,423.20-5,971.45

Finding the Fourth Proportional to 14,289.05, 21,423.20 and 5,971.45

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Solution

The fourth proportional to 14,289.05, 21,423.20 and 5,971.45 is: 8,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.05 : 21,423.20 = 5,971.45 : x
  2. Step 2: Convert to fraction form
    14,289.05/21,423.20 = 5,971.45/x
  3. Step 3: Cross multiply
    14,289.05x = 21,423.20 × 5,971.45
  4. Step 4: Simplify right side
    14,289.05x = 127,927,464.14
  5. Step 5: Solve for x
    x = 127,927,464.14/14,289.05
  6. Step 6: Final answer
    x = 8,952.83

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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.