Home / 22,577.99-31,157.60-12,506.45

Finding the Fourth Proportional to 22,577.99, 31,157.60 and 12,506.45

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Solution

The fourth proportional to 22,577.99, 31,157.60 and 12,506.45 is: 17,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.99 : 31,157.60 = 12,506.45 : x
  2. Step 2: Convert to fraction form
    22,577.99/31,157.60 = 12,506.45/x
  3. Step 3: Cross multiply
    22,577.99x = 31,157.60 × 12,506.45
  4. Step 4: Simplify right side
    22,577.99x = 389,670,748.20
  5. Step 5: Solve for x
    x = 389,670,748.20/22,577.99
  6. Step 6: Final answer
    x = 17,258.88

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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.