Home / 14,243.24-19,655.54-8,581.16

Finding the Fourth Proportional to 14,243.24, 19,655.54 and 8,581.16

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Solution

The fourth proportional to 14,243.24, 19,655.54 and 8,581.16 is: 11,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.24 : 19,655.54 = 8,581.16 : x
  2. Step 2: Convert to fraction form
    14,243.24/19,655.54 = 8,581.16/x
  3. Step 3: Cross multiply
    14,243.24x = 19,655.54 × 8,581.16
  4. Step 4: Simplify right side
    14,243.24x = 168,667,333.63
  5. Step 5: Solve for x
    x = 168,667,333.63/14,243.24
  6. Step 6: Final answer
    x = 11,841.92

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1.5x scale

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.