Home / 14,018.88-19,346.06-7,731.66

Finding the Fourth Proportional to 14,018.88, 19,346.06 and 7,731.66

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Solution

The fourth proportional to 14,018.88, 19,346.06 and 7,731.66 is: 10,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.88 : 19,346.06 = 7,731.66 : x
  2. Step 2: Convert to fraction form
    14,018.88/19,346.06 = 7,731.66/x
  3. Step 3: Cross multiply
    14,018.88x = 19,346.06 × 7,731.66
  4. Step 4: Simplify right side
    14,018.88x = 149,577,158.26
  5. Step 5: Solve for x
    x = 149,577,158.26/14,018.88
  6. Step 6: Final answer
    x = 10,669.69

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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.