Home / 14,928.60-20,601.84-8,214.72

Finding the Fourth Proportional to 14,928.60, 20,601.84 and 8,214.72

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Solution

The fourth proportional to 14,928.60, 20,601.84 and 8,214.72 is: 11,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.60 : 20,601.84 = 8,214.72 : x
  2. Step 2: Convert to fraction form
    14,928.60/20,601.84 = 8,214.72/x
  3. Step 3: Cross multiply
    14,928.60x = 20,601.84 × 8,214.72
  4. Step 4: Simplify right side
    14,928.60x = 169,238,347.08
  5. Step 5: Solve for x
    x = 169,238,347.08/14,928.60
  6. Step 6: Final answer
    x = 11,336.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.