Home / 13,230.06-19,817.30-10,739.63

Finding the Fourth Proportional to 13,230.06, 19,817.30 and 10,739.63

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Solution

The fourth proportional to 13,230.06, 19,817.30 and 10,739.63 is: 16,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.06 : 19,817.30 = 10,739.63 : x
  2. Step 2: Convert to fraction form
    13,230.06/19,817.30 = 10,739.63/x
  3. Step 3: Cross multiply
    13,230.06x = 19,817.30 × 10,739.63
  4. Step 4: Simplify right side
    13,230.06x = 212,830,316.81
  5. Step 5: Solve for x
    x = 212,830,316.81/13,230.06
  6. Step 6: Final answer
    x = 16,086.87

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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.