Home / 14,429.60-21,652.56-7,856.24

Finding the Fourth Proportional to 14,429.60, 21,652.56 and 7,856.24

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Solution

The fourth proportional to 14,429.60, 21,652.56 and 7,856.24 is: 11,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.60 : 21,652.56 = 7,856.24 : x
  2. Step 2: Convert to fraction form
    14,429.60/21,652.56 = 7,856.24/x
  3. Step 3: Cross multiply
    14,429.60x = 21,652.56 × 7,856.24
  4. Step 4: Simplify right side
    14,429.60x = 170,107,707.97
  5. Step 5: Solve for x
    x = 170,107,707.97/14,429.60
  6. Step 6: Final answer
    x = 11,788.80

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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.