Home / 13,245.80-19,869.35-4,923.87

Finding the Fourth Proportional to 13,245.80, 19,869.35 and 4,923.87

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Solution

The fourth proportional to 13,245.80, 19,869.35 and 4,923.87 is: 7,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.80 : 19,869.35 = 4,923.87 : x
  2. Step 2: Convert to fraction form
    13,245.80/19,869.35 = 4,923.87/x
  3. Step 3: Cross multiply
    13,245.80x = 19,869.35 × 4,923.87
  4. Step 4: Simplify right side
    13,245.80x = 97,834,186.99
  5. Step 5: Solve for x
    x = 97,834,186.99/13,245.80
  6. Step 6: Final answer
    x = 7,386.05

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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.