Home / 13,263.44-18,304.08-7,956.32

Finding the Fourth Proportional to 13,263.44, 18,304.08 and 7,956.32

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Solution

The fourth proportional to 13,263.44, 18,304.08 and 7,956.32 is: 10,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.44 : 18,304.08 = 7,956.32 : x
  2. Step 2: Convert to fraction form
    13,263.44/18,304.08 = 7,956.32/x
  3. Step 3: Cross multiply
    13,263.44x = 18,304.08 × 7,956.32
  4. Step 4: Simplify right side
    13,263.44x = 145,633,117.79
  5. Step 5: Solve for x
    x = 145,633,117.79/13,263.44
  6. Step 6: Final answer
    x = 10,980.04

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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.