Home / 14,231.25-21,345.05-4,369.71

Finding the Fourth Proportional to 14,231.25, 21,345.05 and 4,369.71

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Solution

The fourth proportional to 14,231.25, 21,345.05 and 4,369.71 is: 6,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.25 : 21,345.05 = 4,369.71 : x
  2. Step 2: Convert to fraction form
    14,231.25/21,345.05 = 4,369.71/x
  3. Step 3: Cross multiply
    14,231.25x = 21,345.05 × 4,369.71
  4. Step 4: Simplify right side
    14,231.25x = 93,271,656.59
  5. Step 5: Solve for x
    x = 93,271,656.59/14,231.25
  6. Step 6: Final answer
    x = 6,554.00

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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.