Home / 20,088.02-30,111.96-9,539.48

Finding the Fourth Proportional to 20,088.02, 30,111.96 and 9,539.48

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Solution

The fourth proportional to 20,088.02, 30,111.96 and 9,539.48 is: 14,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.02 : 30,111.96 = 9,539.48 : x
  2. Step 2: Convert to fraction form
    20,088.02/30,111.96 = 9,539.48/x
  3. Step 3: Cross multiply
    20,088.02x = 30,111.96 × 9,539.48
  4. Step 4: Simplify right side
    20,088.02x = 287,252,440.18
  5. Step 5: Solve for x
    x = 287,252,440.18/20,088.02
  6. Step 6: Final answer
    x = 14,299.69

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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.