Home / 13,853.96-19,117.58-7,566.33

Finding the Fourth Proportional to 13,853.96, 19,117.58 and 7,566.33

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Solution

The fourth proportional to 13,853.96, 19,117.58 and 7,566.33 is: 10,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.96 : 19,117.58 = 7,566.33 : x
  2. Step 2: Convert to fraction form
    13,853.96/19,117.58 = 7,566.33/x
  3. Step 3: Cross multiply
    13,853.96x = 19,117.58 × 7,566.33
  4. Step 4: Simplify right side
    13,853.96x = 144,649,881.25
  5. Step 5: Solve for x
    x = 144,649,881.25/13,853.96
  6. Step 6: Final answer
    x = 10,441.05

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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.