Home / 12,018.30-18,030.08-4,626.24

Finding the Fourth Proportional to 12,018.30, 18,030.08 and 4,626.24

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Solution

The fourth proportional to 12,018.30, 18,030.08 and 4,626.24 is: 6,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.30 : 18,030.08 = 4,626.24 : x
  2. Step 2: Convert to fraction form
    12,018.30/18,030.08 = 4,626.24/x
  3. Step 3: Cross multiply
    12,018.30x = 18,030.08 × 4,626.24
  4. Step 4: Simplify right side
    12,018.30x = 83,411,477.30
  5. Step 5: Solve for x
    x = 83,411,477.30/12,018.30
  6. Step 6: Final answer
    x = 6,940.37

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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.