Home / 13,325.49-20,000.36-7,090.73

Finding the Fourth Proportional to 13,325.49, 20,000.36 and 7,090.73

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Solution

The fourth proportional to 13,325.49, 20,000.36 and 7,090.73 is: 10,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.49 : 20,000.36 = 7,090.73 : x
  2. Step 2: Convert to fraction form
    13,325.49/20,000.36 = 7,090.73/x
  3. Step 3: Cross multiply
    13,325.49x = 20,000.36 × 7,090.73
  4. Step 4: Simplify right side
    13,325.49x = 141,817,017.21
  5. Step 5: Solve for x
    x = 141,817,017.21/13,325.49
  6. Step 6: Final answer
    x = 10,642.54

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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.