Home / 12,360.04-18,539.90-3,000.13

Finding the Fourth Proportional to 12,360.04, 18,539.90 and 3,000.13

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Solution

The fourth proportional to 12,360.04, 18,539.90 and 3,000.13 is: 4,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.04 : 18,539.90 = 3,000.13 : x
  2. Step 2: Convert to fraction form
    12,360.04/18,539.90 = 3,000.13/x
  3. Step 3: Cross multiply
    12,360.04x = 18,539.90 × 3,000.13
  4. Step 4: Simplify right side
    12,360.04x = 55,622,002.49
  5. Step 5: Solve for x
    x = 55,622,002.49/12,360.04
  6. Step 6: Final answer
    x = 4,500.15

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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.