Home / 15,021.48-20,732.33-9,056.45

Finding the Fourth Proportional to 15,021.48, 20,732.33 and 9,056.45

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Solution

The fourth proportional to 15,021.48, 20,732.33 and 9,056.45 is: 12,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.48 : 20,732.33 = 9,056.45 : x
  2. Step 2: Convert to fraction form
    15,021.48/20,732.33 = 9,056.45/x
  3. Step 3: Cross multiply
    15,021.48x = 20,732.33 × 9,056.45
  4. Step 4: Simplify right side
    15,021.48x = 187,761,161.08
  5. Step 5: Solve for x
    x = 187,761,161.08/15,021.48
  6. Step 6: Final answer
    x = 12,499.51

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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.