Home / 13,980.84-19,290.38-10,206.06

Finding the Fourth Proportional to 13,980.84, 19,290.38 and 10,206.06

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Solution

The fourth proportional to 13,980.84, 19,290.38 and 10,206.06 is: 14,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.84 : 19,290.38 = 10,206.06 : x
  2. Step 2: Convert to fraction form
    13,980.84/19,290.38 = 10,206.06/x
  3. Step 3: Cross multiply
    13,980.84x = 19,290.38 × 10,206.06
  4. Step 4: Simplify right side
    13,980.84x = 196,878,801.22
  5. Step 5: Solve for x
    x = 196,878,801.22/13,980.84
  6. Step 6: Final answer
    x = 14,082.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.