Home / 20,328.42-30,492.63-8,633.46

Finding the Fourth Proportional to 20,328.42, 30,492.63 and 8,633.46

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Solution

The fourth proportional to 20,328.42, 30,492.63 and 8,633.46 is: 12,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328.42 : 30,492.63 = 8,633.46 : x
  2. Step 2: Convert to fraction form
    20,328.42/30,492.63 = 8,633.46/x
  3. Step 3: Cross multiply
    20,328.42x = 30,492.63 × 8,633.46
  4. Step 4: Simplify right side
    20,328.42x = 263,256,901.40
  5. Step 5: Solve for x
    x = 263,256,901.40/20,328.42
  6. Step 6: Final answer
    x = 12,950.19

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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.