Home / 13,374.08-20,056.96-4,487.68

Finding the Fourth Proportional to 13,374.08, 20,056.96 and 4,487.68

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Solution

The fourth proportional to 13,374.08, 20,056.96 and 4,487.68 is: 6,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.08 : 20,056.96 = 4,487.68 : x
  2. Step 2: Convert to fraction form
    13,374.08/20,056.96 = 4,487.68/x
  3. Step 3: Cross multiply
    13,374.08x = 20,056.96 × 4,487.68
  4. Step 4: Simplify right side
    13,374.08x = 90,009,218.25
  5. Step 5: Solve for x
    x = 90,009,218.25/13,374.08
  6. Step 6: Final answer
    x = 6,730.12

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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.