Home / 13,908.64-19,210.78-10,125.82

Finding the Fourth Proportional to 13,908.64, 19,210.78 and 10,125.82

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Solution

The fourth proportional to 13,908.64, 19,210.78 and 10,125.82 is: 13,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.64 : 19,210.78 = 10,125.82 : x
  2. Step 2: Convert to fraction form
    13,908.64/19,210.78 = 10,125.82/x
  3. Step 3: Cross multiply
    13,908.64x = 19,210.78 × 10,125.82
  4. Step 4: Simplify right side
    13,908.64x = 194,524,900.34
  5. Step 5: Solve for x
    x = 194,524,900.34/13,908.64
  6. Step 6: Final answer
    x = 13,985.90

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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.