Home / 13,942.58-19,240.67-7,569.29

Finding the Fourth Proportional to 13,942.58, 19,240.67 and 7,569.29

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Solution

The fourth proportional to 13,942.58, 19,240.67 and 7,569.29 is: 10,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.58 : 19,240.67 = 7,569.29 : x
  2. Step 2: Convert to fraction form
    13,942.58/19,240.67 = 7,569.29/x
  3. Step 3: Cross multiply
    13,942.58x = 19,240.67 × 7,569.29
  4. Step 4: Simplify right side
    13,942.58x = 145,638,211.02
  5. Step 5: Solve for x
    x = 145,638,211.02/13,942.58
  6. Step 6: Final answer
    x = 10,445.57

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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.