Home / 13,362.67-18,440.34-7,394.08

Finding the Fourth Proportional to 13,362.67, 18,440.34 and 7,394.08

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Solution

The fourth proportional to 13,362.67, 18,440.34 and 7,394.08 is: 10,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.67 : 18,440.34 = 7,394.08 : x
  2. Step 2: Convert to fraction form
    13,362.67/18,440.34 = 7,394.08/x
  3. Step 3: Cross multiply
    13,362.67x = 18,440.34 × 7,394.08
  4. Step 4: Simplify right side
    13,362.67x = 136,349,312.22
  5. Step 5: Solve for x
    x = 136,349,312.22/13,362.67
  6. Step 6: Final answer
    x = 10,203.75

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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.