Home / 17,670.12-26,487.90-7,289.32

Finding the Fourth Proportional to 17,670.12, 26,487.90 and 7,289.32

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Solution

The fourth proportional to 17,670.12, 26,487.90 and 7,289.32 is: 10,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.12 : 26,487.90 = 7,289.32 : x
  2. Step 2: Convert to fraction form
    17,670.12/26,487.90 = 7,289.32/x
  3. Step 3: Cross multiply
    17,670.12x = 26,487.90 × 7,289.32
  4. Step 4: Simplify right side
    17,670.12x = 193,078,779.23
  5. Step 5: Solve for x
    x = 193,078,779.23/17,670.12
  6. Step 6: Final answer
    x = 10,926.85

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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.