Home / 10,105.08-13,946.04-6,129

Finding the Fourth Proportional to 10,105.08, 13,946.04 and 6,129

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Solution

The fourth proportional to 10,105.08, 13,946.04 and 6,129 is: 8,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.08 : 13,946.04 = 6,129 : x
  2. Step 2: Convert to fraction form
    10,105.08/13,946.04 = 6,129/x
  3. Step 3: Cross multiply
    10,105.08x = 13,946.04 × 6,129
  4. Step 4: Simplify right side
    10,105.08x = 85,475,279.16
  5. Step 5: Solve for x
    x = 85,475,279.16/10,105.08
  6. Step 6: Final answer
    x = 8,458.64

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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.