Home / 13,811.51-19,059.91-7,523.89

Finding the Fourth Proportional to 13,811.51, 19,059.91 and 7,523.89

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Solution

The fourth proportional to 13,811.51, 19,059.91 and 7,523.89 is: 10,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.51 : 19,059.91 = 7,523.89 : x
  2. Step 2: Convert to fraction form
    13,811.51/19,059.91 = 7,523.89/x
  3. Step 3: Cross multiply
    13,811.51x = 19,059.91 × 7,523.89
  4. Step 4: Simplify right side
    13,811.51x = 143,404,599.79
  5. Step 5: Solve for x
    x = 143,404,599.79/13,811.51
  6. Step 6: Final answer
    x = 10,382.98

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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.