Home / 9,779.56-13,482.39-6,192.70

Finding the Fourth Proportional to 9,779.56, 13,482.39 and 6,192.70

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Solution

The fourth proportional to 9,779.56, 13,482.39 and 6,192.70 is: 8,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.56 : 13,482.39 = 6,192.70 : x
  2. Step 2: Convert to fraction form
    9,779.56/13,482.39 = 6,192.70/x
  3. Step 3: Cross multiply
    9,779.56x = 13,482.39 × 6,192.70
  4. Step 4: Simplify right side
    9,779.56x = 83,492,396.55
  5. Step 5: Solve for x
    x = 83,492,396.55/9,779.56
  6. Step 6: Final answer
    x = 8,537.44

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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.