Home / 13,136.60-19,701.30-5,346.20

Finding the Fourth Proportional to 13,136.60, 19,701.30 and 5,346.20

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Solution

The fourth proportional to 13,136.60, 19,701.30 and 5,346.20 is: 8,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.60 : 19,701.30 = 5,346.20 : x
  2. Step 2: Convert to fraction form
    13,136.60/19,701.30 = 5,346.20/x
  3. Step 3: Cross multiply
    13,136.60x = 19,701.30 × 5,346.20
  4. Step 4: Simplify right side
    13,136.60x = 105,327,090.06
  5. Step 5: Solve for x
    x = 105,327,090.06/13,136.60
  6. Step 6: Final answer
    x = 8,017.83

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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.