Home / 13,364.04-18,442.21-7,395.35

Finding the Fourth Proportional to 13,364.04, 18,442.21 and 7,395.35

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Solution

The fourth proportional to 13,364.04, 18,442.21 and 7,395.35 is: 10,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.04 : 18,442.21 = 7,395.35 : x
  2. Step 2: Convert to fraction form
    13,364.04/18,442.21 = 7,395.35/x
  3. Step 3: Cross multiply
    13,364.04x = 18,442.21 × 7,395.35
  4. Step 4: Simplify right side
    13,364.04x = 136,386,597.72
  5. Step 5: Solve for x
    x = 136,386,597.72/13,364.04
  6. Step 6: Final answer
    x = 10,205.49

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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.