Home / 18,995.66-26,207.60-11,031.34

Finding the Fourth Proportional to 18,995.66, 26,207.60 and 11,031.34

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Solution

The fourth proportional to 18,995.66, 26,207.60 and 11,031.34 is: 15,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.66 : 26,207.60 = 11,031.34 : x
  2. Step 2: Convert to fraction form
    18,995.66/26,207.60 = 11,031.34/x
  3. Step 3: Cross multiply
    18,995.66x = 26,207.60 × 11,031.34
  4. Step 4: Simplify right side
    18,995.66x = 289,104,946.18
  5. Step 5: Solve for x
    x = 289,104,946.18/18,995.66
  6. Step 6: Final answer
    x = 15,219.53

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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.