Home / 20,236.49-30,368.37-7,088.98

Finding the Fourth Proportional to 20,236.49, 30,368.37 and 7,088.98

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Solution

The fourth proportional to 20,236.49, 30,368.37 and 7,088.98 is: 10,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.49 : 30,368.37 = 7,088.98 : x
  2. Step 2: Convert to fraction form
    20,236.49/30,368.37 = 7,088.98/x
  3. Step 3: Cross multiply
    20,236.49x = 30,368.37 × 7,088.98
  4. Step 4: Simplify right side
    20,236.49x = 215,280,767.56
  5. Step 5: Solve for x
    x = 215,280,767.56/20,236.49
  6. Step 6: Final answer
    x = 10,638.25

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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.