Home / 14,164.74-19,513.51-9,907.85

Finding the Fourth Proportional to 14,164.74, 19,513.51 and 9,907.85

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Solution

The fourth proportional to 14,164.74, 19,513.51 and 9,907.85 is: 13,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.74 : 19,513.51 = 9,907.85 : x
  2. Step 2: Convert to fraction form
    14,164.74/19,513.51 = 9,907.85/x
  3. Step 3: Cross multiply
    14,164.74x = 19,513.51 × 9,907.85
  4. Step 4: Simplify right side
    14,164.74x = 193,336,954.07
  5. Step 5: Solve for x
    x = 193,336,954.07/14,164.74
  6. Step 6: Final answer
    x = 13,649.17

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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.