Home / 15,880.50-23,820.75-6,646.50

Finding the Fourth Proportional to 15,880.50, 23,820.75 and 6,646.50

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Solution

The fourth proportional to 15,880.50, 23,820.75 and 6,646.50 is: 9,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.50 : 23,820.75 = 6,646.50 : x
  2. Step 2: Convert to fraction form
    15,880.50/23,820.75 = 6,646.50/x
  3. Step 3: Cross multiply
    15,880.50x = 23,820.75 × 6,646.50
  4. Step 4: Simplify right side
    15,880.50x = 158,324,614.88
  5. Step 5: Solve for x
    x = 158,324,614.88/15,880.50
  6. Step 6: Final answer
    x = 9,969.75

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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.