Home / 18,880.16-26,054.76-11,810.60

Finding the Fourth Proportional to 18,880.16, 26,054.76 and 11,810.60

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Solution

The fourth proportional to 18,880.16, 26,054.76 and 11,810.60 is: 16,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.16 : 26,054.76 = 11,810.60 : x
  2. Step 2: Convert to fraction form
    18,880.16/26,054.76 = 11,810.60/x
  3. Step 3: Cross multiply
    18,880.16x = 26,054.76 × 11,810.60
  4. Step 4: Simplify right side
    18,880.16x = 307,722,348.46
  5. Step 5: Solve for x
    x = 307,722,348.46/18,880.16
  6. Step 6: Final answer
    x = 16,298.72

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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.