Home / 19,615.21-27,073.30-12,901.45

Finding the Fourth Proportional to 19,615.21, 27,073.30 and 12,901.45

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Solution

The fourth proportional to 19,615.21, 27,073.30 and 12,901.45 is: 17,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.21 : 27,073.30 = 12,901.45 : x
  2. Step 2: Convert to fraction form
    19,615.21/27,073.30 = 12,901.45/x
  3. Step 3: Cross multiply
    19,615.21x = 27,073.30 × 12,901.45
  4. Step 4: Simplify right side
    19,615.21x = 349,284,826.29
  5. Step 5: Solve for x
    x = 349,284,826.29/19,615.21
  6. Step 6: Final answer
    x = 17,806.84

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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.