Home / 14,803.10-20,427.38-8,834.72

Finding the Fourth Proportional to 14,803.10, 20,427.38 and 8,834.72

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Solution

The fourth proportional to 14,803.10, 20,427.38 and 8,834.72 is: 12,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.10 : 20,427.38 = 8,834.72 : x
  2. Step 2: Convert to fraction form
    14,803.10/20,427.38 = 8,834.72/x
  3. Step 3: Cross multiply
    14,803.10x = 20,427.38 × 8,834.72
  4. Step 4: Simplify right side
    14,803.10x = 180,470,182.63
  5. Step 5: Solve for x
    x = 180,470,182.63/14,803.10
  6. Step 6: Final answer
    x = 12,191.38

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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.