Home / 14,127.72-21,206.91-10,627.71

Finding the Fourth Proportional to 14,127.72, 21,206.91 and 10,627.71

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Solution

The fourth proportional to 14,127.72, 21,206.91 and 10,627.71 is: 15,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.72 : 21,206.91 = 10,627.71 : x
  2. Step 2: Convert to fraction form
    14,127.72/21,206.91 = 10,627.71/x
  3. Step 3: Cross multiply
    14,127.72x = 21,206.91 × 10,627.71
  4. Step 4: Simplify right side
    14,127.72x = 225,380,889.48
  5. Step 5: Solve for x
    x = 225,380,889.48/14,127.72
  6. Step 6: Final answer
    x = 15,953.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.