Home / 18,457.47-27,690.60-5,977.50

Finding the Fourth Proportional to 18,457.47, 27,690.60 and 5,977.50

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Solution

The fourth proportional to 18,457.47, 27,690.60 and 5,977.50 is: 8,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.47 : 27,690.60 = 5,977.50 : x
  2. Step 2: Convert to fraction form
    18,457.47/27,690.60 = 5,977.50/x
  3. Step 3: Cross multiply
    18,457.47x = 27,690.60 × 5,977.50
  4. Step 4: Simplify right side
    18,457.47x = 165,520,561.50
  5. Step 5: Solve for x
    x = 165,520,561.50/18,457.47
  6. Step 6: Final answer
    x = 8,967.67

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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.