Home / 13,858.10-19,128.69-10,332.98

Finding the Fourth Proportional to 13,858.10, 19,128.69 and 10,332.98

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Solution

The fourth proportional to 13,858.10, 19,128.69 and 10,332.98 is: 14,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.10 : 19,128.69 = 10,332.98 : x
  2. Step 2: Convert to fraction form
    13,858.10/19,128.69 = 10,332.98/x
  3. Step 3: Cross multiply
    13,858.10x = 19,128.69 × 10,332.98
  4. Step 4: Simplify right side
    13,858.10x = 197,656,371.20
  5. Step 5: Solve for x
    x = 197,656,371.20/13,858.10
  6. Step 6: Final answer
    x = 14,262.88

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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.