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Finding the Fourth Proportional to 14,599.12, 21,915.06 and 5,840.14

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Solution

The fourth proportional to 14,599.12, 21,915.06 and 5,840.14 is: 8,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.12 : 21,915.06 = 5,840.14 : x
  2. Step 2: Convert to fraction form
    14,599.12/21,915.06 = 5,840.14/x
  3. Step 3: Cross multiply
    14,599.12x = 21,915.06 × 5,840.14
  4. Step 4: Simplify right side
    14,599.12x = 127,987,018.51
  5. Step 5: Solve for x
    x = 127,987,018.51/14,599.12
  6. Step 6: Final answer
    x = 8,766.76

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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.