Home / 10,111-13,948.30-6,282.96

Finding the Fourth Proportional to 10,111, 13,948.30 and 6,282.96

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Solution

The fourth proportional to 10,111, 13,948.30 and 6,282.96 is: 8,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111 : 13,948.30 = 6,282.96 : x
  2. Step 2: Convert to fraction form
    10,111/13,948.30 = 6,282.96/x
  3. Step 3: Cross multiply
    10,111x = 13,948.30 × 6,282.96
  4. Step 4: Simplify right side
    10,111x = 87,636,610.97
  5. Step 5: Solve for x
    x = 87,636,610.97/10,111
  6. Step 6: Final answer
    x = 8,667.45

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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.