Home / 11,629.81-16,036.95-9,956.76

Finding the Fourth Proportional to 11,629.81, 16,036.95 and 9,956.76

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Solution

The fourth proportional to 11,629.81, 16,036.95 and 9,956.76 is: 13,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.81 : 16,036.95 = 9,956.76 : x
  2. Step 2: Convert to fraction form
    11,629.81/16,036.95 = 9,956.76/x
  3. Step 3: Cross multiply
    11,629.81x = 16,036.95 × 9,956.76
  4. Step 4: Simplify right side
    11,629.81x = 159,676,062.28
  5. Step 5: Solve for x
    x = 159,676,062.28/11,629.81
  6. Step 6: Final answer
    x = 13,729.89

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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.