Home / 16,756.07-25,139.57-8,431.80

Finding the Fourth Proportional to 16,756.07, 25,139.57 and 8,431.80

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Solution

The fourth proportional to 16,756.07, 25,139.57 and 8,431.80 is: 12,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.07 : 25,139.57 = 8,431.80 : x
  2. Step 2: Convert to fraction form
    16,756.07/25,139.57 = 8,431.80/x
  3. Step 3: Cross multiply
    16,756.07x = 25,139.57 × 8,431.80
  4. Step 4: Simplify right side
    16,756.07x = 211,971,689.89
  5. Step 5: Solve for x
    x = 211,971,689.89/16,756.07
  6. Step 6: Final answer
    x = 12,650.45

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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.