Home / 18,556.86-27,838.93-6,870.18

Finding the Fourth Proportional to 18,556.86, 27,838.93 and 6,870.18

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Solution

The fourth proportional to 18,556.86, 27,838.93 and 6,870.18 is: 10,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.86 : 27,838.93 = 6,870.18 : x
  2. Step 2: Convert to fraction form
    18,556.86/27,838.93 = 6,870.18/x
  3. Step 3: Cross multiply
    18,556.86x = 27,838.93 × 6,870.18
  4. Step 4: Simplify right side
    18,556.86x = 191,258,460.11
  5. Step 5: Solve for x
    x = 191,258,460.11/18,556.86
  6. Step 6: Final answer
    x = 10,306.62

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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.