Home / 13,020.77-17,967.38-7,277.16

Finding the Fourth Proportional to 13,020.77, 17,967.38 and 7,277.16

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Solution

The fourth proportional to 13,020.77, 17,967.38 and 7,277.16 is: 10,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.77 : 17,967.38 = 7,277.16 : x
  2. Step 2: Convert to fraction form
    13,020.77/17,967.38 = 7,277.16/x
  3. Step 3: Cross multiply
    13,020.77x = 17,967.38 × 7,277.16
  4. Step 4: Simplify right side
    13,020.77x = 130,751,507.57
  5. Step 5: Solve for x
    x = 130,751,507.57/13,020.77
  6. Step 6: Final answer
    x = 10,041.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.