Home / 14,148.54-21,226.64-12,599.30

Finding the Fourth Proportional to 14,148.54, 21,226.64 and 12,599.30

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Solution

The fourth proportional to 14,148.54, 21,226.64 and 12,599.30 is: 18,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.54 : 21,226.64 = 12,599.30 : x
  2. Step 2: Convert to fraction form
    14,148.54/21,226.64 = 12,599.30/x
  3. Step 3: Cross multiply
    14,148.54x = 21,226.64 × 12,599.30
  4. Step 4: Simplify right side
    14,148.54x = 267,440,683.47
  5. Step 5: Solve for x
    x = 267,440,683.47/14,148.54
  6. Step 6: Final answer
    x = 18,902.36

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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.