Home / 12,085.02-16,677.23-6,779.72

Finding the Fourth Proportional to 12,085.02, 16,677.23 and 6,779.72

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Solution

The fourth proportional to 12,085.02, 16,677.23 and 6,779.72 is: 9,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.02 : 16,677.23 = 6,779.72 : x
  2. Step 2: Convert to fraction form
    12,085.02/16,677.23 = 6,779.72/x
  3. Step 3: Cross multiply
    12,085.02x = 16,677.23 × 6,779.72
  4. Step 4: Simplify right side
    12,085.02x = 113,066,957.57
  5. Step 5: Solve for x
    x = 113,066,957.57/12,085.02
  6. Step 6: Final answer
    x = 9,355.96

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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.