Home / 14,133.51-19,504.67-7,845.75

Finding the Fourth Proportional to 14,133.51, 19,504.67 and 7,845.75

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Solution

The fourth proportional to 14,133.51, 19,504.67 and 7,845.75 is: 10,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.51 : 19,504.67 = 7,845.75 : x
  2. Step 2: Convert to fraction form
    14,133.51/19,504.67 = 7,845.75/x
  3. Step 3: Cross multiply
    14,133.51x = 19,504.67 × 7,845.75
  4. Step 4: Simplify right side
    14,133.51x = 153,028,725.42
  5. Step 5: Solve for x
    x = 153,028,725.42/14,133.51
  6. Step 6: Final answer
    x = 10,827.37

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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.