Home / 13,973.25-19,283.49-7,686.03

Finding the Fourth Proportional to 13,973.25, 19,283.49 and 7,686.03

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Solution

The fourth proportional to 13,973.25, 19,283.49 and 7,686.03 is: 10,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.25 : 19,283.49 = 7,686.03 : x
  2. Step 2: Convert to fraction form
    13,973.25/19,283.49 = 7,686.03/x
  3. Step 3: Cross multiply
    13,973.25x = 19,283.49 × 7,686.03
  4. Step 4: Simplify right side
    13,973.25x = 148,213,482.64
  5. Step 5: Solve for x
    x = 148,213,482.64/13,973.25
  6. Step 6: Final answer
    x = 10,606.94

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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.