Home / 10,148.52-13,990.07-6,563.21

Finding the Fourth Proportional to 10,148.52, 13,990.07 and 6,563.21

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Solution

The fourth proportional to 10,148.52, 13,990.07 and 6,563.21 is: 9,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.52 : 13,990.07 = 6,563.21 : x
  2. Step 2: Convert to fraction form
    10,148.52/13,990.07 = 6,563.21/x
  3. Step 3: Cross multiply
    10,148.52x = 13,990.07 × 6,563.21
  4. Step 4: Simplify right side
    10,148.52x = 91,819,664.56
  5. Step 5: Solve for x
    x = 91,819,664.56/10,148.52
  6. Step 6: Final answer
    x = 9,047.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.