Home / 16,835.40-23,216.07-10,870.15

Finding the Fourth Proportional to 16,835.40, 23,216.07 and 10,870.15

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Solution

The fourth proportional to 16,835.40, 23,216.07 and 10,870.15 is: 14,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.40 : 23,216.07 = 10,870.15 : x
  2. Step 2: Convert to fraction form
    16,835.40/23,216.07 = 10,870.15/x
  3. Step 3: Cross multiply
    16,835.40x = 23,216.07 × 10,870.15
  4. Step 4: Simplify right side
    16,835.40x = 252,362,163.31
  5. Step 5: Solve for x
    x = 252,362,163.31/16,835.40
  6. Step 6: Final answer
    x = 14,989.97

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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.