Home / 13,434.93-18,530.64-8,956.44

Finding the Fourth Proportional to 13,434.93, 18,530.64 and 8,956.44

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Solution

The fourth proportional to 13,434.93, 18,530.64 and 8,956.44 is: 12,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.93 : 18,530.64 = 8,956.44 : x
  2. Step 2: Convert to fraction form
    13,434.93/18,530.64 = 8,956.44/x
  3. Step 3: Cross multiply
    13,434.93x = 18,530.64 × 8,956.44
  4. Step 4: Simplify right side
    13,434.93x = 165,968,565.32
  5. Step 5: Solve for x
    x = 165,968,565.32/13,434.93
  6. Step 6: Final answer
    x = 12,353.51

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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.