Home / 15,656.90-23,485.34-3,969.81

Finding the Fourth Proportional to 15,656.90, 23,485.34 and 3,969.81

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Solution

The fourth proportional to 15,656.90, 23,485.34 and 3,969.81 is: 5,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.90 : 23,485.34 = 3,969.81 : x
  2. Step 2: Convert to fraction form
    15,656.90/23,485.34 = 3,969.81/x
  3. Step 3: Cross multiply
    15,656.90x = 23,485.34 × 3,969.81
  4. Step 4: Simplify right side
    15,656.90x = 93,232,347.51
  5. Step 5: Solve for x
    x = 93,232,347.51/15,656.90
  6. Step 6: Final answer
    x = 5,954.72

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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.