Home / 9,688.25-14,528.95-3,112.21

Finding the Fourth Proportional to 9,688.25, 14,528.95 and 3,112.21

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Solution

The fourth proportional to 9,688.25, 14,528.95 and 3,112.21 is: 4,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.25 : 14,528.95 = 3,112.21 : x
  2. Step 2: Convert to fraction form
    9,688.25/14,528.95 = 3,112.21/x
  3. Step 3: Cross multiply
    9,688.25x = 14,528.95 × 3,112.21
  4. Step 4: Simplify right side
    9,688.25x = 45,217,143.48
  5. Step 5: Solve for x
    x = 45,217,143.48/9,688.25
  6. Step 6: Final answer
    x = 4,667.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.