Home / 18,976.16-26,187.51-10,478.26

Finding the Fourth Proportional to 18,976.16, 26,187.51 and 10,478.26

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Solution

The fourth proportional to 18,976.16, 26,187.51 and 10,478.26 is: 14,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.16 : 26,187.51 = 10,478.26 : x
  2. Step 2: Convert to fraction form
    18,976.16/26,187.51 = 10,478.26/x
  3. Step 3: Cross multiply
    18,976.16x = 26,187.51 × 10,478.26
  4. Step 4: Simplify right side
    18,976.16x = 274,399,538.53
  5. Step 5: Solve for x
    x = 274,399,538.53/18,976.16
  6. Step 6: Final answer
    x = 14,460.22

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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.