Home / 14,800.19-20,420.91-8,830.69

Finding the Fourth Proportional to 14,800.19, 20,420.91 and 8,830.69

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Solution

The fourth proportional to 14,800.19, 20,420.91 and 8,830.69 is: 12,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.19 : 20,420.91 = 8,830.69 : x
  2. Step 2: Convert to fraction form
    14,800.19/20,420.91 = 8,830.69/x
  3. Step 3: Cross multiply
    14,800.19x = 20,420.91 × 8,830.69
  4. Step 4: Simplify right side
    14,800.19x = 180,330,674.68
  5. Step 5: Solve for x
    x = 180,330,674.68/14,800.19
  6. Step 6: Final answer
    x = 12,184.35

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Half scale
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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.