Home / 14,639.28-21,955.88-5,277.84

Finding the Fourth Proportional to 14,639.28, 21,955.88 and 5,277.84

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Solution

The fourth proportional to 14,639.28, 21,955.88 and 5,277.84 is: 7,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.28 : 21,955.88 = 5,277.84 : x
  2. Step 2: Convert to fraction form
    14,639.28/21,955.88 = 5,277.84/x
  3. Step 3: Cross multiply
    14,639.28x = 21,955.88 × 5,277.84
  4. Step 4: Simplify right side
    14,639.28x = 115,879,621.70
  5. Step 5: Solve for x
    x = 115,879,621.70/14,639.28
  6. Step 6: Final answer
    x = 7,915.66

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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.