Home / 16,790.40-23,168.93-9,715.50

Finding the Fourth Proportional to 16,790.40, 23,168.93 and 9,715.50

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Solution

The fourth proportional to 16,790.40, 23,168.93 and 9,715.50 is: 13,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.40 : 23,168.93 = 9,715.50 : x
  2. Step 2: Convert to fraction form
    16,790.40/23,168.93 = 9,715.50/x
  3. Step 3: Cross multiply
    16,790.40x = 23,168.93 × 9,715.50
  4. Step 4: Simplify right side
    16,790.40x = 225,097,690.84
  5. Step 5: Solve for x
    x = 225,097,690.84/16,790.40
  6. Step 6: Final answer
    x = 13,406.33

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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.