Home / 12,513.37-18,769.98-5,020.32

Finding the Fourth Proportional to 12,513.37, 18,769.98 and 5,020.32

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Solution

The fourth proportional to 12,513.37, 18,769.98 and 5,020.32 is: 7,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.37 : 18,769.98 = 5,020.32 : x
  2. Step 2: Convert to fraction form
    12,513.37/18,769.98 = 5,020.32/x
  3. Step 3: Cross multiply
    12,513.37x = 18,769.98 × 5,020.32
  4. Step 4: Simplify right side
    12,513.37x = 94,231,305.99
  5. Step 5: Solve for x
    x = 94,231,305.99/12,513.37
  6. Step 6: Final answer
    x = 7,530.45

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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.