Home / 13,548.66-18,698.04-7,581.36

Finding the Fourth Proportional to 13,548.66, 18,698.04 and 7,581.36

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Solution

The fourth proportional to 13,548.66, 18,698.04 and 7,581.36 is: 10,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.66 : 18,698.04 = 7,581.36 : x
  2. Step 2: Convert to fraction form
    13,548.66/18,698.04 = 7,581.36/x
  3. Step 3: Cross multiply
    13,548.66x = 18,698.04 × 7,581.36
  4. Step 4: Simplify right side
    13,548.66x = 141,756,572.53
  5. Step 5: Solve for x
    x = 141,756,572.53/13,548.66
  6. Step 6: Final answer
    x = 10,462.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.