Home / 17,858.50-26,779.08-5,376.19

Finding the Fourth Proportional to 17,858.50, 26,779.08 and 5,376.19

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Solution

The fourth proportional to 17,858.50, 26,779.08 and 5,376.19 is: 8,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.50 : 26,779.08 = 5,376.19 : x
  2. Step 2: Convert to fraction form
    17,858.50/26,779.08 = 5,376.19/x
  3. Step 3: Cross multiply
    17,858.50x = 26,779.08 × 5,376.19
  4. Step 4: Simplify right side
    17,858.50x = 143,969,422.11
  5. Step 5: Solve for x
    x = 143,969,422.11/17,858.50
  6. Step 6: Final answer
    x = 8,061.67

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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.