Home / 14,285.81-21,431.16-4,926.80

Finding the Fourth Proportional to 14,285.81, 21,431.16 and 4,926.80

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Solution

The fourth proportional to 14,285.81, 21,431.16 and 4,926.80 is: 7,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.81 : 21,431.16 = 4,926.80 : x
  2. Step 2: Convert to fraction form
    14,285.81/21,431.16 = 4,926.80/x
  3. Step 3: Cross multiply
    14,285.81x = 21,431.16 × 4,926.80
  4. Step 4: Simplify right side
    14,285.81x = 105,586,931.93
  5. Step 5: Solve for x
    x = 105,586,931.93/14,285.81
  6. Step 6: Final answer
    x = 7,391.04

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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.