Home / 14,477.02-21,658.14-9,121.60

Finding the Fourth Proportional to 14,477.02, 21,658.14 and 9,121.60

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Solution

The fourth proportional to 14,477.02, 21,658.14 and 9,121.60 is: 13,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.02 : 21,658.14 = 9,121.60 : x
  2. Step 2: Convert to fraction form
    14,477.02/21,658.14 = 9,121.60/x
  3. Step 3: Cross multiply
    14,477.02x = 21,658.14 × 9,121.60
  4. Step 4: Simplify right side
    14,477.02x = 197,556,889.82
  5. Step 5: Solve for x
    x = 197,556,889.82/14,477.02
  6. Step 6: Final answer
    x = 13,646.24

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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.