Home / 18,756.13-28,125.99-8,898.22

Finding the Fourth Proportional to 18,756.13, 28,125.99 and 8,898.22

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Solution

The fourth proportional to 18,756.13, 28,125.99 and 8,898.22 is: 13,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.13 : 28,125.99 = 8,898.22 : x
  2. Step 2: Convert to fraction form
    18,756.13/28,125.99 = 8,898.22/x
  3. Step 3: Cross multiply
    18,756.13x = 28,125.99 × 8,898.22
  4. Step 4: Simplify right side
    18,756.13x = 250,271,246.74
  5. Step 5: Solve for x
    x = 250,271,246.74/18,756.13
  6. Step 6: Final answer
    x = 13,343.44

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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.