Home / 21,564.36-32,346.18-9,711.54

Finding the Fourth Proportional to 21,564.36, 32,346.18 and 9,711.54

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Solution

The fourth proportional to 21,564.36, 32,346.18 and 9,711.54 is: 14,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.36 : 32,346.18 = 9,711.54 : x
  2. Step 2: Convert to fraction form
    21,564.36/32,346.18 = 9,711.54/x
  3. Step 3: Cross multiply
    21,564.36x = 32,346.18 × 9,711.54
  4. Step 4: Simplify right side
    21,564.36x = 314,131,220.92
  5. Step 5: Solve for x
    x = 314,131,220.92/21,564.36
  6. Step 6: Final answer
    x = 14,567.15

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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.