Home / 13,090.95-19,625.40-5,305.23

Finding the Fourth Proportional to 13,090.95, 19,625.40 and 5,305.23

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Solution

The fourth proportional to 13,090.95, 19,625.40 and 5,305.23 is: 7,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.95 : 19,625.40 = 5,305.23 : x
  2. Step 2: Convert to fraction form
    13,090.95/19,625.40 = 5,305.23/x
  3. Step 3: Cross multiply
    13,090.95x = 19,625.40 × 5,305.23
  4. Step 4: Simplify right side
    13,090.95x = 104,117,260.84
  5. Step 5: Solve for x
    x = 104,117,260.84/13,090.95
  6. Step 6: Final answer
    x = 7,953.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.