Home / 12,529.90-18,777.80-4,734.46

Finding the Fourth Proportional to 12,529.90, 18,777.80 and 4,734.46

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Solution

The fourth proportional to 12,529.90, 18,777.80 and 4,734.46 is: 7,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.90 : 18,777.80 = 4,734.46 : x
  2. Step 2: Convert to fraction form
    12,529.90/18,777.80 = 4,734.46/x
  3. Step 3: Cross multiply
    12,529.90x = 18,777.80 × 4,734.46
  4. Step 4: Simplify right side
    12,529.90x = 88,902,707.88
  5. Step 5: Solve for x
    x = 88,902,707.88/12,529.90
  6. Step 6: Final answer
    x = 7,095.25

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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.