Home / 10,584.40-14,634.32-9,272.20

Finding the Fourth Proportional to 10,584.40, 14,634.32 and 9,272.20

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Solution

The fourth proportional to 10,584.40, 14,634.32 and 9,272.20 is: 12,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.40 : 14,634.32 = 9,272.20 : x
  2. Step 2: Convert to fraction form
    10,584.40/14,634.32 = 9,272.20/x
  3. Step 3: Cross multiply
    10,584.40x = 14,634.32 × 9,272.20
  4. Step 4: Simplify right side
    10,584.40x = 135,692,341.90
  5. Step 5: Solve for x
    x = 135,692,341.90/10,584.40
  6. Step 6: Final answer
    x = 12,820.03

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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.