Home / 10,133.94-13,983.57-6,407.22

Finding the Fourth Proportional to 10,133.94, 13,983.57 and 6,407.22

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Solution

The fourth proportional to 10,133.94, 13,983.57 and 6,407.22 is: 8,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.94 : 13,983.57 = 6,407.22 : x
  2. Step 2: Convert to fraction form
    10,133.94/13,983.57 = 6,407.22/x
  3. Step 3: Cross multiply
    10,133.94x = 13,983.57 × 6,407.22
  4. Step 4: Simplify right side
    10,133.94x = 89,595,809.38
  5. Step 5: Solve for x
    x = 89,595,809.38/10,133.94
  6. Step 6: Final answer
    x = 8,841.16

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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.