Home / 14,303.41-21,455.11-3,915.16

Finding the Fourth Proportional to 14,303.41, 21,455.11 and 3,915.16

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Solution

The fourth proportional to 14,303.41, 21,455.11 and 3,915.16 is: 5,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.41 : 21,455.11 = 3,915.16 : x
  2. Step 2: Convert to fraction form
    14,303.41/21,455.11 = 3,915.16/x
  3. Step 3: Cross multiply
    14,303.41x = 21,455.11 × 3,915.16
  4. Step 4: Simplify right side
    14,303.41x = 84,000,081.19
  5. Step 5: Solve for x
    x = 84,000,081.19/14,303.41
  6. Step 6: Final answer
    x = 5,872.73

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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.