Home / 19,656.36-27,125.76-10,703.86

Finding the Fourth Proportional to 19,656.36, 27,125.76 and 10,703.86

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Solution

The fourth proportional to 19,656.36, 27,125.76 and 10,703.86 is: 14,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.36 : 27,125.76 = 10,703.86 : x
  2. Step 2: Convert to fraction form
    19,656.36/27,125.76 = 10,703.86/x
  3. Step 3: Cross multiply
    19,656.36x = 27,125.76 × 10,703.86
  4. Step 4: Simplify right side
    19,656.36x = 290,350,337.43
  5. Step 5: Solve for x
    x = 290,350,337.43/19,656.36
  6. Step 6: Final answer
    x = 14,771.32

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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.