Home / 12,577.40-18,833.70-9,272.60

Finding the Fourth Proportional to 12,577.40, 18,833.70 and 9,272.60

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Solution

The fourth proportional to 12,577.40, 18,833.70 and 9,272.60 is: 13,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.40 : 18,833.70 = 9,272.60 : x
  2. Step 2: Convert to fraction form
    12,577.40/18,833.70 = 9,272.60/x
  3. Step 3: Cross multiply
    12,577.40x = 18,833.70 × 9,272.60
  4. Step 4: Simplify right side
    12,577.40x = 174,637,366.62
  5. Step 5: Solve for x
    x = 174,637,366.62/12,577.40
  6. Step 6: Final answer
    x = 13,885.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.