Home / 13,349.12-20,019.96-4,581.08

Finding the Fourth Proportional to 13,349.12, 20,019.96 and 4,581.08

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Solution

The fourth proportional to 13,349.12, 20,019.96 and 4,581.08 is: 6,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.12 : 20,019.96 = 4,581.08 : x
  2. Step 2: Convert to fraction form
    13,349.12/20,019.96 = 4,581.08/x
  3. Step 3: Cross multiply
    13,349.12x = 20,019.96 × 4,581.08
  4. Step 4: Simplify right side
    13,349.12x = 91,713,038.36
  5. Step 5: Solve for x
    x = 91,713,038.36/13,349.12
  6. Step 6: Final answer
    x = 6,870.34

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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.