Home / 13,365.04-18,442.80-7,396.24

Finding the Fourth Proportional to 13,365.04, 18,442.80 and 7,396.24

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Solution

The fourth proportional to 13,365.04, 18,442.80 and 7,396.24 is: 10,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.04 : 18,442.80 = 7,396.24 : x
  2. Step 2: Convert to fraction form
    13,365.04/18,442.80 = 7,396.24/x
  3. Step 3: Cross multiply
    13,365.04x = 18,442.80 × 7,396.24
  4. Step 4: Simplify right side
    13,365.04x = 136,407,375.07
  5. Step 5: Solve for x
    x = 136,407,375.07/13,365.04
  6. Step 6: Final answer
    x = 10,206.28

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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.