Home / 14,117.68-21,159.24-6,611.14

Finding the Fourth Proportional to 14,117.68, 21,159.24 and 6,611.14

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Solution

The fourth proportional to 14,117.68, 21,159.24 and 6,611.14 is: 9,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.68 : 21,159.24 = 6,611.14 : x
  2. Step 2: Convert to fraction form
    14,117.68/21,159.24 = 6,611.14/x
  3. Step 3: Cross multiply
    14,117.68x = 21,159.24 × 6,611.14
  4. Step 4: Simplify right side
    14,117.68x = 139,886,697.93
  5. Step 5: Solve for x
    x = 139,886,697.93/14,117.68
  6. Step 6: Final answer
    x = 9,908.62

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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.