Home / 11,303.81-16,956.48-4,188.71

Finding the Fourth Proportional to 11,303.81, 16,956.48 and 4,188.71

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Solution

The fourth proportional to 11,303.81, 16,956.48 and 4,188.71 is: 6,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.81 : 16,956.48 = 4,188.71 : x
  2. Step 2: Convert to fraction form
    11,303.81/16,956.48 = 4,188.71/x
  3. Step 3: Cross multiply
    11,303.81x = 16,956.48 × 4,188.71
  4. Step 4: Simplify right side
    11,303.81x = 71,025,777.34
  5. Step 5: Solve for x
    x = 71,025,777.34/11,303.81
  6. Step 6: Final answer
    x = 6,283.35

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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.