Home / 13,291.64-18,342.46-7,323.32

Finding the Fourth Proportional to 13,291.64, 18,342.46 and 7,323.32

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Solution

The fourth proportional to 13,291.64, 18,342.46 and 7,323.32 is: 10,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.64 : 18,342.46 = 7,323.32 : x
  2. Step 2: Convert to fraction form
    13,291.64/18,342.46 = 7,323.32/x
  3. Step 3: Cross multiply
    13,291.64x = 18,342.46 × 7,323.32
  4. Step 4: Simplify right side
    13,291.64x = 134,327,704.17
  5. Step 5: Solve for x
    x = 134,327,704.17/13,291.64
  6. Step 6: Final answer
    x = 10,106.18

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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.