Home / 16,857.05-23,271.47-12,314.63

Finding the Fourth Proportional to 16,857.05, 23,271.47 and 12,314.63

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Solution

The fourth proportional to 16,857.05, 23,271.47 and 12,314.63 is: 17,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.05 : 23,271.47 = 12,314.63 : x
  2. Step 2: Convert to fraction form
    16,857.05/23,271.47 = 12,314.63/x
  3. Step 3: Cross multiply
    16,857.05x = 23,271.47 × 12,314.63
  4. Step 4: Simplify right side
    16,857.05x = 286,579,364.68
  5. Step 5: Solve for x
    x = 286,579,364.68/16,857.05
  6. Step 6: Final answer
    x = 17,000.57

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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.