Home / 14,289.84-21,434.92-3,901.60

Finding the Fourth Proportional to 14,289.84, 21,434.92 and 3,901.60

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Solution

The fourth proportional to 14,289.84, 21,434.92 and 3,901.60 is: 5,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.84 : 21,434.92 = 3,901.60 : x
  2. Step 2: Convert to fraction form
    14,289.84/21,434.92 = 3,901.60/x
  3. Step 3: Cross multiply
    14,289.84x = 21,434.92 × 3,901.60
  4. Step 4: Simplify right side
    14,289.84x = 83,630,483.87
  5. Step 5: Solve for x
    x = 83,630,483.87/14,289.84
  6. Step 6: Final answer
    x = 5,852.44

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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.