Home / 14,280.84-21,427.56-4,922.28

Finding the Fourth Proportional to 14,280.84, 21,427.56 and 4,922.28

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Solution

The fourth proportional to 14,280.84, 21,427.56 and 4,922.28 is: 7,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.84 : 21,427.56 = 4,922.28 : x
  2. Step 2: Convert to fraction form
    14,280.84/21,427.56 = 4,922.28/x
  3. Step 3: Cross multiply
    14,280.84x = 21,427.56 × 4,922.28
  4. Step 4: Simplify right side
    14,280.84x = 105,472,450.04
  5. Step 5: Solve for x
    x = 105,472,450.04/14,280.84
  6. Step 6: Final answer
    x = 7,385.59

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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.