Home / 10,123.56-13,970.44-5,647.36

Finding the Fourth Proportional to 10,123.56, 13,970.44 and 5,647.36

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Solution

The fourth proportional to 10,123.56, 13,970.44 and 5,647.36 is: 7,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.56 : 13,970.44 = 5,647.36 : x
  2. Step 2: Convert to fraction form
    10,123.56/13,970.44 = 5,647.36/x
  3. Step 3: Cross multiply
    10,123.56x = 13,970.44 × 5,647.36
  4. Step 4: Simplify right side
    10,123.56x = 78,896,104.04
  5. Step 5: Solve for x
    x = 78,896,104.04/10,123.56
  6. Step 6: Final answer
    x = 7,793.32

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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.