Home / 19,383.70-29,058.27-7,688.92

Finding the Fourth Proportional to 19,383.70, 29,058.27 and 7,688.92

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Solution

The fourth proportional to 19,383.70, 29,058.27 and 7,688.92 is: 11,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.70 : 29,058.27 = 7,688.92 : x
  2. Step 2: Convert to fraction form
    19,383.70/29,058.27 = 7,688.92/x
  3. Step 3: Cross multiply
    19,383.70x = 29,058.27 × 7,688.92
  4. Step 4: Simplify right side
    19,383.70x = 223,426,713.37
  5. Step 5: Solve for x
    x = 223,426,713.37/19,383.70
  6. Step 6: Final answer
    x = 11,526.53

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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.