Home / 12,545.98-18,818.87-3,058.18

Finding the Fourth Proportional to 12,545.98, 18,818.87 and 3,058.18

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Solution

The fourth proportional to 12,545.98, 18,818.87 and 3,058.18 is: 4,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.98 : 18,818.87 = 3,058.18 : x
  2. Step 2: Convert to fraction form
    12,545.98/18,818.87 = 3,058.18/x
  3. Step 3: Cross multiply
    12,545.98x = 18,818.87 × 3,058.18
  4. Step 4: Simplify right side
    12,545.98x = 57,551,429.52
  5. Step 5: Solve for x
    x = 57,551,429.52/12,545.98
  6. Step 6: Final answer
    x = 4,587.24

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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.