Home / 19,862.34-27,408.96-11,364.63

Finding the Fourth Proportional to 19,862.34, 27,408.96 and 11,364.63

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Solution

The fourth proportional to 19,862.34, 27,408.96 and 11,364.63 is: 15,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.34 : 27,408.96 = 11,364.63 : x
  2. Step 2: Convert to fraction form
    19,862.34/27,408.96 = 11,364.63/x
  3. Step 3: Cross multiply
    19,862.34x = 27,408.96 × 11,364.63
  4. Step 4: Simplify right side
    19,862.34x = 311,492,689.08
  5. Step 5: Solve for x
    x = 311,492,689.08/19,862.34
  6. Step 6: Final answer
    x = 15,682.58

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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.