Home / 17,858.47-26,779.05-5,376.17

Finding the Fourth Proportional to 17,858.47, 26,779.05 and 5,376.17

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Solution

The fourth proportional to 17,858.47, 26,779.05 and 5,376.17 is: 8,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.47 : 26,779.05 = 5,376.17 : x
  2. Step 2: Convert to fraction form
    17,858.47/26,779.05 = 5,376.17/x
  3. Step 3: Cross multiply
    17,858.47x = 26,779.05 × 5,376.17
  4. Step 4: Simplify right side
    17,858.47x = 143,968,725.24
  5. Step 5: Solve for x
    x = 143,968,725.24/17,858.47
  6. Step 6: Final answer
    x = 8,061.65

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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.