Home / 12,054.14-18,061.05-7,888.94

Finding the Fourth Proportional to 12,054.14, 18,061.05 and 7,888.94

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Solution

The fourth proportional to 12,054.14, 18,061.05 and 7,888.94 is: 11,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.14 : 18,061.05 = 7,888.94 : x
  2. Step 2: Convert to fraction form
    12,054.14/18,061.05 = 7,888.94/x
  3. Step 3: Cross multiply
    12,054.14x = 18,061.05 × 7,888.94
  4. Step 4: Simplify right side
    12,054.14x = 142,482,539.79
  5. Step 5: Solve for x
    x = 142,482,539.79/12,054.14
  6. Step 6: Final answer
    x = 11,820.22

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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.