Home / 10,228.98-15,268.80-8,777.46

Finding the Fourth Proportional to 10,228.98, 15,268.80 and 8,777.46

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Solution

The fourth proportional to 10,228.98, 15,268.80 and 8,777.46 is: 13,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.98 : 15,268.80 = 8,777.46 : x
  2. Step 2: Convert to fraction form
    10,228.98/15,268.80 = 8,777.46/x
  3. Step 3: Cross multiply
    10,228.98x = 15,268.80 × 8,777.46
  4. Step 4: Simplify right side
    10,228.98x = 134,021,237.36
  5. Step 5: Solve for x
    x = 134,021,237.36/10,228.98
  6. Step 6: Final answer
    x = 13,102.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.