Home / 19,043.24-26,291.22-12,430.76

Finding the Fourth Proportional to 19,043.24, 26,291.22 and 12,430.76

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Solution

The fourth proportional to 19,043.24, 26,291.22 and 12,430.76 is: 17,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.24 : 26,291.22 = 12,430.76 : x
  2. Step 2: Convert to fraction form
    19,043.24/26,291.22 = 12,430.76/x
  3. Step 3: Cross multiply
    19,043.24x = 26,291.22 × 12,430.76
  4. Step 4: Simplify right side
    19,043.24x = 326,819,845.93
  5. Step 5: Solve for x
    x = 326,819,845.93/19,043.24
  6. Step 6: Final answer
    x = 17,161.99

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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.