Home / 18,342.03-27,518.95-8,350.35

Finding the Fourth Proportional to 18,342.03, 27,518.95 and 8,350.35

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Solution

The fourth proportional to 18,342.03, 27,518.95 and 8,350.35 is: 12,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.03 : 27,518.95 = 8,350.35 : x
  2. Step 2: Convert to fraction form
    18,342.03/27,518.95 = 8,350.35/x
  3. Step 3: Cross multiply
    18,342.03x = 27,518.95 × 8,350.35
  4. Step 4: Simplify right side
    18,342.03x = 229,792,807.67
  5. Step 5: Solve for x
    x = 229,792,807.67/18,342.03
  6. Step 6: Final answer
    x = 12,528.21

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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.