Home / 15,526.80-23,297.40-8,139.60

Finding the Fourth Proportional to 15,526.80, 23,297.40 and 8,139.60

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Solution

The fourth proportional to 15,526.80, 23,297.40 and 8,139.60 is: 12,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.80 : 23,297.40 = 8,139.60 : x
  2. Step 2: Convert to fraction form
    15,526.80/23,297.40 = 8,139.60/x
  3. Step 3: Cross multiply
    15,526.80x = 23,297.40 × 8,139.60
  4. Step 4: Simplify right side
    15,526.80x = 189,631,517.04
  5. Step 5: Solve for x
    x = 189,631,517.04/15,526.80
  6. Step 6: Final answer
    x = 12,213.17

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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.