Home / 20,043.99-30,085.47-9,663.03

Finding the Fourth Proportional to 20,043.99, 30,085.47 and 9,663.03

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Solution

The fourth proportional to 20,043.99, 30,085.47 and 9,663.03 is: 14,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.99 : 30,085.47 = 9,663.03 : x
  2. Step 2: Convert to fraction form
    20,043.99/30,085.47 = 9,663.03/x
  3. Step 3: Cross multiply
    20,043.99x = 30,085.47 × 9,663.03
  4. Step 4: Simplify right side
    20,043.99x = 290,716,799.17
  5. Step 5: Solve for x
    x = 290,716,799.17/20,043.99
  6. Step 6: Final answer
    x = 14,503.94

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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.