Home / 13,501.49-20,290.50-7,957.44

Finding the Fourth Proportional to 13,501.49, 20,290.50 and 7,957.44

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Solution

The fourth proportional to 13,501.49, 20,290.50 and 7,957.44 is: 11,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.49 : 20,290.50 = 7,957.44 : x
  2. Step 2: Convert to fraction form
    13,501.49/20,290.50 = 7,957.44/x
  3. Step 3: Cross multiply
    13,501.49x = 20,290.50 × 7,957.44
  4. Step 4: Simplify right side
    13,501.49x = 161,460,436.32
  5. Step 5: Solve for x
    x = 161,460,436.32/13,501.49
  6. Step 6: Final answer
    x = 11,958.72

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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.