Home / 12,038.08-18,057.88-4,642.60

Finding the Fourth Proportional to 12,038.08, 18,057.88 and 4,642.60

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Solution

The fourth proportional to 12,038.08, 18,057.88 and 4,642.60 is: 6,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.08 : 18,057.88 = 4,642.60 : x
  2. Step 2: Convert to fraction form
    12,038.08/18,057.88 = 4,642.60/x
  3. Step 3: Cross multiply
    12,038.08x = 18,057.88 × 4,642.60
  4. Step 4: Simplify right side
    12,038.08x = 83,835,513.69
  5. Step 5: Solve for x
    x = 83,835,513.69/12,038.08
  6. Step 6: Final answer
    x = 6,964.19

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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.