Home / 12,360.70-18,543.07-4,038.30

Finding the Fourth Proportional to 12,360.70, 18,543.07 and 4,038.30

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Solution

The fourth proportional to 12,360.70, 18,543.07 and 4,038.30 is: 6,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.70 : 18,543.07 = 4,038.30 : x
  2. Step 2: Convert to fraction form
    12,360.70/18,543.07 = 4,038.30/x
  3. Step 3: Cross multiply
    12,360.70x = 18,543.07 × 4,038.30
  4. Step 4: Simplify right side
    12,360.70x = 74,882,479.58
  5. Step 5: Solve for x
    x = 74,882,479.58/12,360.70
  6. Step 6: Final answer
    x = 6,058.11

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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.