Home / 15,701.14-21,667.59-8,627.98

Finding the Fourth Proportional to 15,701.14, 21,667.59 and 8,627.98

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Solution

The fourth proportional to 15,701.14, 21,667.59 and 8,627.98 is: 11,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.14 : 21,667.59 = 8,627.98 : x
  2. Step 2: Convert to fraction form
    15,701.14/21,667.59 = 8,627.98/x
  3. Step 3: Cross multiply
    15,701.14x = 21,667.59 × 8,627.98
  4. Step 4: Simplify right side
    15,701.14x = 186,947,533.17
  5. Step 5: Solve for x
    x = 186,947,533.17/15,701.14
  6. Step 6: Final answer
    x = 11,906.62

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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.