Home / 13,347.30-19,998.96-4,577.40

Finding the Fourth Proportional to 13,347.30, 19,998.96 and 4,577.40

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Solution

The fourth proportional to 13,347.30, 19,998.96 and 4,577.40 is: 6,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.30 : 19,998.96 = 4,577.40 : x
  2. Step 2: Convert to fraction form
    13,347.30/19,998.96 = 4,577.40/x
  3. Step 3: Cross multiply
    13,347.30x = 19,998.96 × 4,577.40
  4. Step 4: Simplify right side
    13,347.30x = 91,543,239.50
  5. Step 5: Solve for x
    x = 91,543,239.50/13,347.30
  6. Step 6: Final answer
    x = 6,858.56

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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.