Home / 13,573.86-20,357.56-7,653.36

Finding the Fourth Proportional to 13,573.86, 20,357.56 and 7,653.36

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Solution

The fourth proportional to 13,573.86, 20,357.56 and 7,653.36 is: 11,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.86 : 20,357.56 = 7,653.36 : x
  2. Step 2: Convert to fraction form
    13,573.86/20,357.56 = 7,653.36/x
  3. Step 3: Cross multiply
    13,573.86x = 20,357.56 × 7,653.36
  4. Step 4: Simplify right side
    13,573.86x = 155,803,735.40
  5. Step 5: Solve for x
    x = 155,803,735.40/13,573.86
  6. Step 6: Final answer
    x = 11,478.22

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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.