Home / 13,969.75-19,276.64-8,001.07

Finding the Fourth Proportional to 13,969.75, 19,276.64 and 8,001.07

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Solution

The fourth proportional to 13,969.75, 19,276.64 and 8,001.07 is: 11,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.75 : 19,276.64 = 8,001.07 : x
  2. Step 2: Convert to fraction form
    13,969.75/19,276.64 = 8,001.07/x
  3. Step 3: Cross multiply
    13,969.75x = 19,276.64 × 8,001.07
  4. Step 4: Simplify right side
    13,969.75x = 154,233,746.00
  5. Step 5: Solve for x
    x = 154,233,746.00/13,969.75
  6. Step 6: Final answer
    x = 11,040.55

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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.