Home / 9,980.49-14,966.55-3,407.07

Finding the Fourth Proportional to 9,980.49, 14,966.55 and 3,407.07

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Solution

The fourth proportional to 9,980.49, 14,966.55 and 3,407.07 is: 5,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.49 : 14,966.55 = 3,407.07 : x
  2. Step 2: Convert to fraction form
    9,980.49/14,966.55 = 3,407.07/x
  3. Step 3: Cross multiply
    9,980.49x = 14,966.55 × 3,407.07
  4. Step 4: Simplify right side
    9,980.49x = 50,992,083.51
  5. Step 5: Solve for x
    x = 50,992,083.51/9,980.49
  6. Step 6: Final answer
    x = 5,109.18

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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.