Home / 10,009.04-13,750.63-8,960.49

Finding the Fourth Proportional to 10,009.04, 13,750.63 and 8,960.49

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Solution

The fourth proportional to 10,009.04, 13,750.63 and 8,960.49 is: 12,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.04 : 13,750.63 = 8,960.49 : x
  2. Step 2: Convert to fraction form
    10,009.04/13,750.63 = 8,960.49/x
  3. Step 3: Cross multiply
    10,009.04x = 13,750.63 × 8,960.49
  4. Step 4: Simplify right side
    10,009.04x = 123,212,360.21
  5. Step 5: Solve for x
    x = 123,212,360.21/10,009.04
  6. Step 6: Final answer
    x = 12,310.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.