Home / 14,286.04-21,429.08-4,928.74

Finding the Fourth Proportional to 14,286.04, 21,429.08 and 4,928.74

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Solution

The fourth proportional to 14,286.04, 21,429.08 and 4,928.74 is: 7,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.04 : 21,429.08 = 4,928.74 : x
  2. Step 2: Convert to fraction form
    14,286.04/21,429.08 = 4,928.74/x
  3. Step 3: Cross multiply
    14,286.04x = 21,429.08 × 4,928.74
  4. Step 4: Simplify right side
    14,286.04x = 105,618,363.76
  5. Step 5: Solve for x
    x = 105,618,363.76/14,286.04
  6. Step 6: Final answer
    x = 7,393.12

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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.