Home / 13,362.33-18,439.95-7,393.65

Finding the Fourth Proportional to 13,362.33, 18,439.95 and 7,393.65

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Solution

The fourth proportional to 13,362.33, 18,439.95 and 7,393.65 is: 10,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.33 : 18,439.95 = 7,393.65 : x
  2. Step 2: Convert to fraction form
    13,362.33/18,439.95 = 7,393.65/x
  3. Step 3: Cross multiply
    13,362.33x = 18,439.95 × 7,393.65
  4. Step 4: Simplify right side
    13,362.33x = 136,338,536.32
  5. Step 5: Solve for x
    x = 136,338,536.32/13,362.33
  6. Step 6: Final answer
    x = 10,203.20

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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.