Home / 12,685.37-19,030.10-4,363.35

Finding the Fourth Proportional to 12,685.37, 19,030.10 and 4,363.35

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Solution

The fourth proportional to 12,685.37, 19,030.10 and 4,363.35 is: 6,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685.37 : 19,030.10 = 4,363.35 : x
  2. Step 2: Convert to fraction form
    12,685.37/19,030.10 = 4,363.35/x
  3. Step 3: Cross multiply
    12,685.37x = 19,030.10 × 4,363.35
  4. Step 4: Simplify right side
    12,685.37x = 83,034,965.02
  5. Step 5: Solve for x
    x = 83,034,965.02/12,685.37
  6. Step 6: Final answer
    x = 6,545.73

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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.