Home / 14,725.69-20,321.70-8,011.45

Finding the Fourth Proportional to 14,725.69, 20,321.70 and 8,011.45

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Solution

The fourth proportional to 14,725.69, 20,321.70 and 8,011.45 is: 11,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.69 : 20,321.70 = 8,011.45 : x
  2. Step 2: Convert to fraction form
    14,725.69/20,321.70 = 8,011.45/x
  3. Step 3: Cross multiply
    14,725.69x = 20,321.70 × 8,011.45
  4. Step 4: Simplify right side
    14,725.69x = 162,806,283.47
  5. Step 5: Solve for x
    x = 162,806,283.47/14,725.69
  6. Step 6: Final answer
    x = 11,055.94

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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.