Home / 19,564.20-29,351.70-9,703.80

Finding the Fourth Proportional to 19,564.20, 29,351.70 and 9,703.80

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Solution

The fourth proportional to 19,564.20, 29,351.70 and 9,703.80 is: 14,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.20 : 29,351.70 = 9,703.80 : x
  2. Step 2: Convert to fraction form
    19,564.20/29,351.70 = 9,703.80/x
  3. Step 3: Cross multiply
    19,564.20x = 29,351.70 × 9,703.80
  4. Step 4: Simplify right side
    19,564.20x = 284,823,026.46
  5. Step 5: Solve for x
    x = 284,823,026.46/19,564.20
  6. Step 6: Final answer
    x = 14,558.38

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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.