Home / 13,017.08-17,963.51-7,048.77

Finding the Fourth Proportional to 13,017.08, 17,963.51 and 7,048.77

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Solution

The fourth proportional to 13,017.08, 17,963.51 and 7,048.77 is: 9,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.08 : 17,963.51 = 7,048.77 : x
  2. Step 2: Convert to fraction form
    13,017.08/17,963.51 = 7,048.77/x
  3. Step 3: Cross multiply
    13,017.08x = 17,963.51 × 7,048.77
  4. Step 4: Simplify right side
    13,017.08x = 126,620,615.14
  5. Step 5: Solve for x
    x = 126,620,615.14/13,017.08
  6. Step 6: Final answer
    x = 9,727.27

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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.