Home / 14,065.10-21,134.10-12,461.30

Finding the Fourth Proportional to 14,065.10, 21,134.10 and 12,461.30

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Solution

The fourth proportional to 14,065.10, 21,134.10 and 12,461.30 is: 18,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.10 : 21,134.10 = 12,461.30 : x
  2. Step 2: Convert to fraction form
    14,065.10/21,134.10 = 12,461.30/x
  3. Step 3: Cross multiply
    14,065.10x = 21,134.10 × 12,461.30
  4. Step 4: Simplify right side
    14,065.10x = 263,358,360.33
  5. Step 5: Solve for x
    x = 263,358,360.33/14,065.10
  6. Step 6: Final answer
    x = 18,724.24

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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.