Home / 13,970.48-20,955.36-5,650.28

Finding the Fourth Proportional to 13,970.48, 20,955.36 and 5,650.28

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Solution

The fourth proportional to 13,970.48, 20,955.36 and 5,650.28 is: 8,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.48 : 20,955.36 = 5,650.28 : x
  2. Step 2: Convert to fraction form
    13,970.48/20,955.36 = 5,650.28/x
  3. Step 3: Cross multiply
    13,970.48x = 20,955.36 × 5,650.28
  4. Step 4: Simplify right side
    13,970.48x = 118,403,651.50
  5. Step 5: Solve for x
    x = 118,403,651.50/13,970.48
  6. Step 6: Final answer
    x = 8,475.27

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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.