Home / 12,685.36-19,023.35-4,363.09

Finding the Fourth Proportional to 12,685.36, 19,023.35 and 4,363.09

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Solution

The fourth proportional to 12,685.36, 19,023.35 and 4,363.09 is: 6,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685.36 : 19,023.35 = 4,363.09 : x
  2. Step 2: Convert to fraction form
    12,685.36/19,023.35 = 4,363.09/x
  3. Step 3: Cross multiply
    12,685.36x = 19,023.35 × 4,363.09
  4. Step 4: Simplify right side
    12,685.36x = 83,000,588.15
  5. Step 5: Solve for x
    x = 83,000,588.15/12,685.36
  6. Step 6: Final answer
    x = 6,543.02

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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.