Home / 13,864.88-19,133.76-7,577.84

Finding the Fourth Proportional to 13,864.88, 19,133.76 and 7,577.84

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Solution

The fourth proportional to 13,864.88, 19,133.76 and 7,577.84 is: 10,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.88 : 19,133.76 = 7,577.84 : x
  2. Step 2: Convert to fraction form
    13,864.88/19,133.76 = 7,577.84/x
  3. Step 3: Cross multiply
    13,864.88x = 19,133.76 × 7,577.84
  4. Step 4: Simplify right side
    13,864.88x = 144,992,571.88
  5. Step 5: Solve for x
    x = 144,992,571.88/13,864.88
  6. Step 6: Final answer
    x = 10,457.54

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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.