Home / 13,063.72-18,043.14-10,946.92

Finding the Fourth Proportional to 13,063.72, 18,043.14 and 10,946.92

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Solution

The fourth proportional to 13,063.72, 18,043.14 and 10,946.92 is: 15,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.72 : 18,043.14 = 10,946.92 : x
  2. Step 2: Convert to fraction form
    13,063.72/18,043.14 = 10,946.92/x
  3. Step 3: Cross multiply
    13,063.72x = 18,043.14 × 10,946.92
  4. Step 4: Simplify right side
    13,063.72x = 197,516,810.13
  5. Step 5: Solve for x
    x = 197,516,810.13/13,063.72
  6. Step 6: Final answer
    x = 15,119.49

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Half scale
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Double scale
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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.