Home / 14,314.32-21,311.10-14,245.02

Finding the Fourth Proportional to 14,314.32, 21,311.10 and 14,245.02

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Solution

The fourth proportional to 14,314.32, 21,311.10 and 14,245.02 is: 21,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.32 : 21,311.10 = 14,245.02 : x
  2. Step 2: Convert to fraction form
    14,314.32/21,311.10 = 14,245.02/x
  3. Step 3: Cross multiply
    14,314.32x = 21,311.10 × 14,245.02
  4. Step 4: Simplify right side
    14,314.32x = 303,577,045.72
  5. Step 5: Solve for x
    x = 303,577,045.72/14,314.32
  6. Step 6: Final answer
    x = 21,207.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.