Home / 13,941.74-19,239.08-7,973.26

Finding the Fourth Proportional to 13,941.74, 19,239.08 and 7,973.26

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Solution

The fourth proportional to 13,941.74, 19,239.08 and 7,973.26 is: 11,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.74 : 19,239.08 = 7,973.26 : x
  2. Step 2: Convert to fraction form
    13,941.74/19,239.08 = 7,973.26/x
  3. Step 3: Cross multiply
    13,941.74x = 19,239.08 × 7,973.26
  4. Step 4: Simplify right side
    13,941.74x = 153,398,099.04
  5. Step 5: Solve for x
    x = 153,398,099.04/13,941.74
  6. Step 6: Final answer
    x = 11,002.79

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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.