Home / 13,058.79-19,588.64-4,294.38

Finding the Fourth Proportional to 13,058.79, 19,588.64 and 4,294.38

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Solution

The fourth proportional to 13,058.79, 19,588.64 and 4,294.38 is: 6,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.79 : 19,588.64 = 4,294.38 : x
  2. Step 2: Convert to fraction form
    13,058.79/19,588.64 = 4,294.38/x
  3. Step 3: Cross multiply
    13,058.79x = 19,588.64 × 4,294.38
  4. Step 4: Simplify right side
    13,058.79x = 84,121,063.84
  5. Step 5: Solve for x
    x = 84,121,063.84/13,058.79
  6. Step 6: Final answer
    x = 6,441.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.