Home / 14,308.30-21,460.15-3,917.62

Finding the Fourth Proportional to 14,308.30, 21,460.15 and 3,917.62

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Solution

The fourth proportional to 14,308.30, 21,460.15 and 3,917.62 is: 5,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.30 : 21,460.15 = 3,917.62 : x
  2. Step 2: Convert to fraction form
    14,308.30/21,460.15 = 3,917.62/x
  3. Step 3: Cross multiply
    14,308.30x = 21,460.15 × 3,917.62
  4. Step 4: Simplify right side
    14,308.30x = 84,072,712.84
  5. Step 5: Solve for x
    x = 84,072,712.84/14,308.30
  6. Step 6: Final answer
    x = 5,875.80

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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.