Home / 18,538.04-27,817.98-6,859.40

Finding the Fourth Proportional to 18,538.04, 27,817.98 and 6,859.40

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Solution

The fourth proportional to 18,538.04, 27,817.98 and 6,859.40 is: 10,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.04 : 27,817.98 = 6,859.40 : x
  2. Step 2: Convert to fraction form
    18,538.04/27,817.98 = 6,859.40/x
  3. Step 3: Cross multiply
    18,538.04x = 27,817.98 × 6,859.40
  4. Step 4: Simplify right side
    18,538.04x = 190,814,652.01
  5. Step 5: Solve for x
    x = 190,814,652.01/18,538.04
  6. Step 6: Final answer
    x = 10,293.14

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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.