Home / 16,860.96-23,263.61-10,890.45

Finding the Fourth Proportional to 16,860.96, 23,263.61 and 10,890.45

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Solution

The fourth proportional to 16,860.96, 23,263.61 and 10,890.45 is: 15,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.96 : 23,263.61 = 10,890.45 : x
  2. Step 2: Convert to fraction form
    16,860.96/23,263.61 = 10,890.45/x
  3. Step 3: Cross multiply
    16,860.96x = 23,263.61 × 10,890.45
  4. Step 4: Simplify right side
    16,860.96x = 253,351,127.07
  5. Step 5: Solve for x
    x = 253,351,127.07/16,860.96
  6. Step 6: Final answer
    x = 15,025.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.