Home / 9,998.51-14,985.45-3,417

Finding the Fourth Proportional to 9,998.51, 14,985.45 and 3,417

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Solution

The fourth proportional to 9,998.51, 14,985.45 and 3,417 is: 5,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.51 : 14,985.45 = 3,417 : x
  2. Step 2: Convert to fraction form
    9,998.51/14,985.45 = 3,417/x
  3. Step 3: Cross multiply
    9,998.51x = 14,985.45 × 3,417
  4. Step 4: Simplify right side
    9,998.51x = 51,205,282.65
  5. Step 5: Solve for x
    x = 51,205,282.65/9,998.51
  6. Step 6: Final answer
    x = 5,121.29

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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.