Home / 15,460.22-21,335.10-8,745.71

Finding the Fourth Proportional to 15,460.22, 21,335.10 and 8,745.71

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Solution

The fourth proportional to 15,460.22, 21,335.10 and 8,745.71 is: 12,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.22 : 21,335.10 = 8,745.71 : x
  2. Step 2: Convert to fraction form
    15,460.22/21,335.10 = 8,745.71/x
  3. Step 3: Cross multiply
    15,460.22x = 21,335.10 × 8,745.71
  4. Step 4: Simplify right side
    15,460.22x = 186,590,490.75
  5. Step 5: Solve for x
    x = 186,590,490.75/15,460.22
  6. Step 6: Final answer
    x = 12,069.07

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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.