Home / 18,038.20-27,054.18-4,888.84

Finding the Fourth Proportional to 18,038.20, 27,054.18 and 4,888.84

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Solution

The fourth proportional to 18,038.20, 27,054.18 and 4,888.84 is: 7,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.20 : 27,054.18 = 4,888.84 : x
  2. Step 2: Convert to fraction form
    18,038.20/27,054.18 = 4,888.84/x
  3. Step 3: Cross multiply
    18,038.20x = 27,054.18 × 4,888.84
  4. Step 4: Simplify right side
    18,038.20x = 132,263,557.35
  5. Step 5: Solve for x
    x = 132,263,557.35/18,038.20
  6. Step 6: Final answer
    x = 7,332.41

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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.