Home / 13,045.24-19,550.55-7,106.89

Finding the Fourth Proportional to 13,045.24, 19,550.55 and 7,106.89

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Solution

The fourth proportional to 13,045.24, 19,550.55 and 7,106.89 is: 10,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.24 : 19,550.55 = 7,106.89 : x
  2. Step 2: Convert to fraction form
    13,045.24/19,550.55 = 7,106.89/x
  3. Step 3: Cross multiply
    13,045.24x = 19,550.55 × 7,106.89
  4. Step 4: Simplify right side
    13,045.24x = 138,943,608.29
  5. Step 5: Solve for x
    x = 138,943,608.29/13,045.24
  6. Step 6: Final answer
    x = 10,650.91

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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.