Home / 13,419.93-20,130.08-4,060.02

Finding the Fourth Proportional to 13,419.93, 20,130.08 and 4,060.02

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Solution

The fourth proportional to 13,419.93, 20,130.08 and 4,060.02 is: 6,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.93 : 20,130.08 = 4,060.02 : x
  2. Step 2: Convert to fraction form
    13,419.93/20,130.08 = 4,060.02/x
  3. Step 3: Cross multiply
    13,419.93x = 20,130.08 × 4,060.02
  4. Step 4: Simplify right side
    13,419.93x = 81,728,527.40
  5. Step 5: Solve for x
    x = 81,728,527.40/13,419.93
  6. Step 6: Final answer
    x = 6,090.09

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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.