Home / 14,545.49-20,074.65-8,879.05

Finding the Fourth Proportional to 14,545.49, 20,074.65 and 8,879.05

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Solution

The fourth proportional to 14,545.49, 20,074.65 and 8,879.05 is: 12,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.49 : 20,074.65 = 8,879.05 : x
  2. Step 2: Convert to fraction form
    14,545.49/20,074.65 = 8,879.05/x
  3. Step 3: Cross multiply
    14,545.49x = 20,074.65 × 8,879.05
  4. Step 4: Simplify right side
    14,545.49x = 178,243,720.71
  5. Step 5: Solve for x
    x = 178,243,720.71/14,545.49
  6. Step 6: Final answer
    x = 12,254.23

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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.