Home / 12,895.86-19,345.38-4,998.51

Finding the Fourth Proportional to 12,895.86, 19,345.38 and 4,998.51

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Solution

The fourth proportional to 12,895.86, 19,345.38 and 4,998.51 is: 7,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.86 : 19,345.38 = 4,998.51 : x
  2. Step 2: Convert to fraction form
    12,895.86/19,345.38 = 4,998.51/x
  3. Step 3: Cross multiply
    12,895.86x = 19,345.38 × 4,998.51
  4. Step 4: Simplify right side
    12,895.86x = 96,698,075.38
  5. Step 5: Solve for x
    x = 96,698,075.38/12,895.86
  6. Step 6: Final answer
    x = 7,498.38

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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.