Home / 20,603.36-30,892.70-6,557.32

Finding the Fourth Proportional to 20,603.36, 30,892.70 and 6,557.32

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Solution

The fourth proportional to 20,603.36, 30,892.70 and 6,557.32 is: 9,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.36 : 30,892.70 = 6,557.32 : x
  2. Step 2: Convert to fraction form
    20,603.36/30,892.70 = 6,557.32/x
  3. Step 3: Cross multiply
    20,603.36x = 30,892.70 × 6,557.32
  4. Step 4: Simplify right side
    20,603.36x = 202,573,319.56
  5. Step 5: Solve for x
    x = 202,573,319.56/20,603.36
  6. Step 6: Final answer
    x = 9,832.05

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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.