Home / 13,945.79-19,240.47-7,973.24

Finding the Fourth Proportional to 13,945.79, 19,240.47 and 7,973.24

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Solution

The fourth proportional to 13,945.79, 19,240.47 and 7,973.24 is: 11,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.79 : 19,240.47 = 7,973.24 : x
  2. Step 2: Convert to fraction form
    13,945.79/19,240.47 = 7,973.24/x
  3. Step 3: Cross multiply
    13,945.79x = 19,240.47 × 7,973.24
  4. Step 4: Simplify right side
    13,945.79x = 153,408,788.82
  5. Step 5: Solve for x
    x = 153,408,788.82/13,945.79
  6. Step 6: Final answer
    x = 11,000.37

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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.