Home / 13,762.36-20,643.54-5,971

Finding the Fourth Proportional to 13,762.36, 20,643.54 and 5,971

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Solution

The fourth proportional to 13,762.36, 20,643.54 and 5,971 is: 8,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.36 : 20,643.54 = 5,971 : x
  2. Step 2: Convert to fraction form
    13,762.36/20,643.54 = 5,971/x
  3. Step 3: Cross multiply
    13,762.36x = 20,643.54 × 5,971
  4. Step 4: Simplify right side
    13,762.36x = 123,262,577.34
  5. Step 5: Solve for x
    x = 123,262,577.34/13,762.36
  6. Step 6: Final answer
    x = 8,956.50

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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.