Home / 14,153.32-21,228.36-4,294

Finding the Fourth Proportional to 14,153.32, 21,228.36 and 4,294

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Solution

The fourth proportional to 14,153.32, 21,228.36 and 4,294 is: 6,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.32 : 21,228.36 = 4,294 : x
  2. Step 2: Convert to fraction form
    14,153.32/21,228.36 = 4,294/x
  3. Step 3: Cross multiply
    14,153.32x = 21,228.36 × 4,294
  4. Step 4: Simplify right side
    14,153.32x = 91,154,577.84
  5. Step 5: Solve for x
    x = 91,154,577.84/14,153.32
  6. Step 6: Final answer
    x = 6,440.51

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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.