Home / 20,607.08-30,889.08-9,521.06

Finding the Fourth Proportional to 20,607.08, 30,889.08 and 9,521.06

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Solution

The fourth proportional to 20,607.08, 30,889.08 and 9,521.06 is: 14,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.08 : 30,889.08 = 9,521.06 : x
  2. Step 2: Convert to fraction form
    20,607.08/30,889.08 = 9,521.06/x
  3. Step 3: Cross multiply
    20,607.08x = 30,889.08 × 9,521.06
  4. Step 4: Simplify right side
    20,607.08x = 294,096,629.58
  5. Step 5: Solve for x
    x = 294,096,629.58/20,607.08
  6. Step 6: Final answer
    x = 14,271.63

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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.