Home / 12,038.24-18,060.43-4,640.71

Finding the Fourth Proportional to 12,038.24, 18,060.43 and 4,640.71

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Solution

The fourth proportional to 12,038.24, 18,060.43 and 4,640.71 is: 6,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.24 : 18,060.43 = 4,640.71 : x
  2. Step 2: Convert to fraction form
    12,038.24/18,060.43 = 4,640.71/x
  3. Step 3: Cross multiply
    12,038.24x = 18,060.43 × 4,640.71
  4. Step 4: Simplify right side
    12,038.24x = 83,813,161.35
  5. Step 5: Solve for x
    x = 83,813,161.35/12,038.24
  6. Step 6: Final answer
    x = 6,962.25

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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.