Home / 13,444.84-18,562.19-8,666.47

Finding the Fourth Proportional to 13,444.84, 18,562.19 and 8,666.47

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Solution

The fourth proportional to 13,444.84, 18,562.19 and 8,666.47 is: 11,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.84 : 18,562.19 = 8,666.47 : x
  2. Step 2: Convert to fraction form
    13,444.84/18,562.19 = 8,666.47/x
  3. Step 3: Cross multiply
    13,444.84x = 18,562.19 × 8,666.47
  4. Step 4: Simplify right side
    13,444.84x = 160,868,662.77
  5. Step 5: Solve for x
    x = 160,868,662.77/13,444.84
  6. Step 6: Final answer
    x = 11,965.09

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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.