Home / 13,739.99-20,595.60-6,349.30

Finding the Fourth Proportional to 13,739.99, 20,595.60 and 6,349.30

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Solution

The fourth proportional to 13,739.99, 20,595.60 and 6,349.30 is: 9,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.99 : 20,595.60 = 6,349.30 : x
  2. Step 2: Convert to fraction form
    13,739.99/20,595.60 = 6,349.30/x
  3. Step 3: Cross multiply
    13,739.99x = 20,595.60 × 6,349.30
  4. Step 4: Simplify right side
    13,739.99x = 130,767,643.08
  5. Step 5: Solve for x
    x = 130,767,643.08/13,739.99
  6. Step 6: Final answer
    x = 9,517.30

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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.