Home / 19,127.20-26,395-10,629.10

Finding the Fourth Proportional to 19,127.20, 26,395 and 10,629.10

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Solution

The fourth proportional to 19,127.20, 26,395 and 10,629.10 is: 14,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.20 : 26,395 = 10,629.10 : x
  2. Step 2: Convert to fraction form
    19,127.20/26,395 = 10,629.10/x
  3. Step 3: Cross multiply
    19,127.20x = 26,395 × 10,629.10
  4. Step 4: Simplify right side
    19,127.20x = 280,555,094.50
  5. Step 5: Solve for x
    x = 280,555,094.50/19,127.20
  6. Step 6: Final answer
    x = 14,667.86

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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.