Home / 19,656.12-27,125.79-10,703.64

Finding the Fourth Proportional to 19,656.12, 27,125.79 and 10,703.64

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Solution

The fourth proportional to 19,656.12, 27,125.79 and 10,703.64 is: 14,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.12 : 27,125.79 = 10,703.64 : x
  2. Step 2: Convert to fraction form
    19,656.12/27,125.79 = 10,703.64/x
  3. Step 3: Cross multiply
    19,656.12x = 27,125.79 × 10,703.64
  4. Step 4: Simplify right side
    19,656.12x = 290,344,752.46
  5. Step 5: Solve for x
    x = 290,344,752.46/19,656.12
  6. Step 6: Final answer
    x = 14,771.22

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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.