Home / 10,956.64-16,434.96-9,310.72

Finding the Fourth Proportional to 10,956.64, 16,434.96 and 9,310.72

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Solution

The fourth proportional to 10,956.64, 16,434.96 and 9,310.72 is: 13,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.64 : 16,434.96 = 9,310.72 : x
  2. Step 2: Convert to fraction form
    10,956.64/16,434.96 = 9,310.72/x
  3. Step 3: Cross multiply
    10,956.64x = 16,434.96 × 9,310.72
  4. Step 4: Simplify right side
    10,956.64x = 153,021,310.77
  5. Step 5: Solve for x
    x = 153,021,310.77/10,956.64
  6. Step 6: Final answer
    x = 13,966.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.