Home / 13,942.59-19,242.06-7,973.07

Finding the Fourth Proportional to 13,942.59, 19,242.06 and 7,973.07

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Solution

The fourth proportional to 13,942.59, 19,242.06 and 7,973.07 is: 11,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.59 : 19,242.06 = 7,973.07 : x
  2. Step 2: Convert to fraction form
    13,942.59/19,242.06 = 7,973.07/x
  3. Step 3: Cross multiply
    13,942.59x = 19,242.06 × 7,973.07
  4. Step 4: Simplify right side
    13,942.59x = 153,418,291.32
  5. Step 5: Solve for x
    x = 153,418,291.32/13,942.59
  6. Step 6: Final answer
    x = 11,003.57

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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.