Home / 17,989.53-26,981.86-4,842.69

Finding the Fourth Proportional to 17,989.53, 26,981.86 and 4,842.69

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Solution

The fourth proportional to 17,989.53, 26,981.86 and 4,842.69 is: 7,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.53 : 26,981.86 = 4,842.69 : x
  2. Step 2: Convert to fraction form
    17,989.53/26,981.86 = 4,842.69/x
  3. Step 3: Cross multiply
    17,989.53x = 26,981.86 × 4,842.69
  4. Step 4: Simplify right side
    17,989.53x = 130,664,783.60
  5. Step 5: Solve for x
    x = 130,664,783.60/17,989.53
  6. Step 6: Final answer
    x = 7,263.38

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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.