Home / 15,638.36-23,457.66-4,545.80

Finding the Fourth Proportional to 15,638.36, 23,457.66 and 4,545.80

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Solution

The fourth proportional to 15,638.36, 23,457.66 and 4,545.80 is: 6,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.36 : 23,457.66 = 4,545.80 : x
  2. Step 2: Convert to fraction form
    15,638.36/23,457.66 = 4,545.80/x
  3. Step 3: Cross multiply
    15,638.36x = 23,457.66 × 4,545.80
  4. Step 4: Simplify right side
    15,638.36x = 106,633,830.83
  5. Step 5: Solve for x
    x = 106,633,830.83/15,638.36
  6. Step 6: Final answer
    x = 6,818.73

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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.