Home / 16,857.09-23,271.53-12,314.67

Finding the Fourth Proportional to 16,857.09, 23,271.53 and 12,314.67

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Solution

The fourth proportional to 16,857.09, 23,271.53 and 12,314.67 is: 17,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.09 : 23,271.53 = 12,314.67 : x
  2. Step 2: Convert to fraction form
    16,857.09/23,271.53 = 12,314.67/x
  3. Step 3: Cross multiply
    16,857.09x = 23,271.53 × 12,314.67
  4. Step 4: Simplify right side
    16,857.09x = 286,581,263.68
  5. Step 5: Solve for x
    x = 286,581,263.68/16,857.09
  6. Step 6: Final answer
    x = 17,000.64

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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.