Home / 13,810.58-20,718.92-5,045.48

Finding the Fourth Proportional to 13,810.58, 20,718.92 and 5,045.48

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Solution

The fourth proportional to 13,810.58, 20,718.92 and 5,045.48 is: 7,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.58 : 20,718.92 = 5,045.48 : x
  2. Step 2: Convert to fraction form
    13,810.58/20,718.92 = 5,045.48/x
  3. Step 3: Cross multiply
    13,810.58x = 20,718.92 × 5,045.48
  4. Step 4: Simplify right side
    13,810.58x = 104,536,896.48
  5. Step 5: Solve for x
    x = 104,536,896.48/13,810.58
  6. Step 6: Final answer
    x = 7,569.33

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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.