Home / 14,943.69-20,623.28-9,899.15

Finding the Fourth Proportional to 14,943.69, 20,623.28 and 9,899.15

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Solution

The fourth proportional to 14,943.69, 20,623.28 and 9,899.15 is: 13,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.69 : 20,623.28 = 9,899.15 : x
  2. Step 2: Convert to fraction form
    14,943.69/20,623.28 = 9,899.15/x
  3. Step 3: Cross multiply
    14,943.69x = 20,623.28 × 9,899.15
  4. Step 4: Simplify right side
    14,943.69x = 204,152,789.60
  5. Step 5: Solve for x
    x = 204,152,789.60/14,943.69
  6. Step 6: Final answer
    x = 13,661.47

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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.