Home / 9,837.81-14,680.62-8,786.51

Finding the Fourth Proportional to 9,837.81, 14,680.62 and 8,786.51

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Solution

The fourth proportional to 9,837.81, 14,680.62 and 8,786.51 is: 13,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837.81 : 14,680.62 = 8,786.51 : x
  2. Step 2: Convert to fraction form
    9,837.81/14,680.62 = 8,786.51/x
  3. Step 3: Cross multiply
    9,837.81x = 14,680.62 × 8,786.51
  4. Step 4: Simplify right side
    9,837.81x = 128,991,341.03
  5. Step 5: Solve for x
    x = 128,991,341.03/9,837.81
  6. Step 6: Final answer
    x = 13,111.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.