Home / 12,582.08-17,363.60-6,916.80

Finding the Fourth Proportional to 12,582.08, 17,363.60 and 6,916.80

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Solution

The fourth proportional to 12,582.08, 17,363.60 and 6,916.80 is: 9,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.08 : 17,363.60 = 6,916.80 : x
  2. Step 2: Convert to fraction form
    12,582.08/17,363.60 = 6,916.80/x
  3. Step 3: Cross multiply
    12,582.08x = 17,363.60 × 6,916.80
  4. Step 4: Simplify right side
    12,582.08x = 120,100,548.48
  5. Step 5: Solve for x
    x = 120,100,548.48/12,582.08
  6. Step 6: Final answer
    x = 9,545.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.