Home / 14,431.01-19,911.35-9,953.33

Finding the Fourth Proportional to 14,431.01, 19,911.35 and 9,953.33

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Solution

The fourth proportional to 14,431.01, 19,911.35 and 9,953.33 is: 13,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.01 : 19,911.35 = 9,953.33 : x
  2. Step 2: Convert to fraction form
    14,431.01/19,911.35 = 9,953.33/x
  3. Step 3: Cross multiply
    14,431.01x = 19,911.35 × 9,953.33
  4. Step 4: Simplify right side
    14,431.01x = 198,184,087.97
  5. Step 5: Solve for x
    x = 198,184,087.97/14,431.01
  6. Step 6: Final answer
    x = 13,733.21

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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.