Home / 16,858.32-23,263.38-10,142.70

Finding the Fourth Proportional to 16,858.32, 23,263.38 and 10,142.70

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Solution

The fourth proportional to 16,858.32, 23,263.38 and 10,142.70 is: 13,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.32 : 23,263.38 = 10,142.70 : x
  2. Step 2: Convert to fraction form
    16,858.32/23,263.38 = 10,142.70/x
  3. Step 3: Cross multiply
    16,858.32x = 23,263.38 × 10,142.70
  4. Step 4: Simplify right side
    16,858.32x = 235,953,484.33
  5. Step 5: Solve for x
    x = 235,953,484.33/16,858.32
  6. Step 6: Final answer
    x = 13,996.26

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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.