Home / 12,583.30-18,875.22-4,577.80

Finding the Fourth Proportional to 12,583.30, 18,875.22 and 4,577.80

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Solution

The fourth proportional to 12,583.30, 18,875.22 and 4,577.80 is: 6,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.30 : 18,875.22 = 4,577.80 : x
  2. Step 2: Convert to fraction form
    12,583.30/18,875.22 = 4,577.80/x
  3. Step 3: Cross multiply
    12,583.30x = 18,875.22 × 4,577.80
  4. Step 4: Simplify right side
    12,583.30x = 86,406,982.12
  5. Step 5: Solve for x
    x = 86,406,982.12/12,583.30
  6. Step 6: Final answer
    x = 6,866.80

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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.