Home / 13,449.04-20,173.60-4,681.86

Finding the Fourth Proportional to 13,449.04, 20,173.60 and 4,681.86

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Solution

The fourth proportional to 13,449.04, 20,173.60 and 4,681.86 is: 7,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.04 : 20,173.60 = 4,681.86 : x
  2. Step 2: Convert to fraction form
    13,449.04/20,173.60 = 4,681.86/x
  3. Step 3: Cross multiply
    13,449.04x = 20,173.60 × 4,681.86
  4. Step 4: Simplify right side
    13,449.04x = 94,449,970.90
  5. Step 5: Solve for x
    x = 94,449,970.90/13,449.04
  6. Step 6: Final answer
    x = 7,022.80

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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.