Home / 13,535.06-18,693.04-9,297.28

Finding the Fourth Proportional to 13,535.06, 18,693.04 and 9,297.28

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Solution

The fourth proportional to 13,535.06, 18,693.04 and 9,297.28 is: 12,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.06 : 18,693.04 = 9,297.28 : x
  2. Step 2: Convert to fraction form
    13,535.06/18,693.04 = 9,297.28/x
  3. Step 3: Cross multiply
    13,535.06x = 18,693.04 × 9,297.28
  4. Step 4: Simplify right side
    13,535.06x = 173,794,426.93
  5. Step 5: Solve for x
    x = 173,794,426.93/13,535.06
  6. Step 6: Final answer
    x = 12,840.31

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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.