Home / 14,779.08-20,384.68-8,806.12

Finding the Fourth Proportional to 14,779.08, 20,384.68 and 8,806.12

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Solution

The fourth proportional to 14,779.08, 20,384.68 and 8,806.12 is: 12,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.08 : 20,384.68 = 8,806.12 : x
  2. Step 2: Convert to fraction form
    14,779.08/20,384.68 = 8,806.12/x
  3. Step 3: Cross multiply
    14,779.08x = 20,384.68 × 8,806.12
  4. Step 4: Simplify right side
    14,779.08x = 179,509,938.24
  5. Step 5: Solve for x
    x = 179,509,938.24/14,779.08
  6. Step 6: Final answer
    x = 12,146.22

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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.