Home / 19,178.24-26,462.88-12,108.48

Finding the Fourth Proportional to 19,178.24, 26,462.88 and 12,108.48

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Solution

The fourth proportional to 19,178.24, 26,462.88 and 12,108.48 is: 16,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.24 : 26,462.88 = 12,108.48 : x
  2. Step 2: Convert to fraction form
    19,178.24/26,462.88 = 12,108.48/x
  3. Step 3: Cross multiply
    19,178.24x = 26,462.88 × 12,108.48
  4. Step 4: Simplify right side
    19,178.24x = 320,425,253.22
  5. Step 5: Solve for x
    x = 320,425,253.22/19,178.24
  6. Step 6: Final answer
    x = 16,707.75

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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.