Home / 14,888.32-20,544.64-8,173.76

Finding the Fourth Proportional to 14,888.32, 20,544.64 and 8,173.76

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Solution

The fourth proportional to 14,888.32, 20,544.64 and 8,173.76 is: 11,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.32 : 20,544.64 = 8,173.76 : x
  2. Step 2: Convert to fraction form
    14,888.32/20,544.64 = 8,173.76/x
  3. Step 3: Cross multiply
    14,888.32x = 20,544.64 × 8,173.76
  4. Step 4: Simplify right side
    14,888.32x = 167,926,956.65
  5. Step 5: Solve for x
    x = 167,926,956.65/14,888.32
  6. Step 6: Final answer
    x = 11,279.11

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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.