Home / 12,280.16-16,927.44-11,263.20

Finding the Fourth Proportional to 12,280.16, 16,927.44 and 11,263.20

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Solution

The fourth proportional to 12,280.16, 16,927.44 and 11,263.20 is: 15,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.16 : 16,927.44 = 11,263.20 : x
  2. Step 2: Convert to fraction form
    12,280.16/16,927.44 = 11,263.20/x
  3. Step 3: Cross multiply
    12,280.16x = 16,927.44 × 11,263.20
  4. Step 4: Simplify right side
    12,280.16x = 190,657,142.21
  5. Step 5: Solve for x
    x = 190,657,142.21/12,280.16
  6. Step 6: Final answer
    x = 15,525.62

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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.