Home / 12,583.65-18,875.41-3,223.65

Finding the Fourth Proportional to 12,583.65, 18,875.41 and 3,223.65

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Solution

The fourth proportional to 12,583.65, 18,875.41 and 3,223.65 is: 4,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.65 : 18,875.41 = 3,223.65 : x
  2. Step 2: Convert to fraction form
    12,583.65/18,875.41 = 3,223.65/x
  3. Step 3: Cross multiply
    12,583.65x = 18,875.41 × 3,223.65
  4. Step 4: Simplify right side
    12,583.65x = 60,847,715.45
  5. Step 5: Solve for x
    x = 60,847,715.45/12,583.65
  6. Step 6: Final answer
    x = 4,835.46

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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.