Home / 21,514.79-32,271.30-7,477.99

Finding the Fourth Proportional to 21,514.79, 32,271.30 and 7,477.99

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Solution

The fourth proportional to 21,514.79, 32,271.30 and 7,477.99 is: 11,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514.79 : 32,271.30 = 7,477.99 : x
  2. Step 2: Convert to fraction form
    21,514.79/32,271.30 = 7,477.99/x
  3. Step 3: Cross multiply
    21,514.79x = 32,271.30 × 7,477.99
  4. Step 4: Simplify right side
    21,514.79x = 241,324,378.01
  5. Step 5: Solve for x
    x = 241,324,378.01/21,514.79
  6. Step 6: Final answer
    x = 11,216.67

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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.