Home / 10,712.16-16,006.83-8,165.16

Finding the Fourth Proportional to 10,712.16, 16,006.83 and 8,165.16

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Solution

The fourth proportional to 10,712.16, 16,006.83 and 8,165.16 is: 12,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.16 : 16,006.83 = 8,165.16 : x
  2. Step 2: Convert to fraction form
    10,712.16/16,006.83 = 8,165.16/x
  3. Step 3: Cross multiply
    10,712.16x = 16,006.83 × 8,165.16
  4. Step 4: Simplify right side
    10,712.16x = 130,698,328.04
  5. Step 5: Solve for x
    x = 130,698,328.04/10,712.16
  6. Step 6: Final answer
    x = 12,200.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.