Home / 18,859.13-26,022.69-10,899.81

Finding the Fourth Proportional to 18,859.13, 26,022.69 and 10,899.81

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Solution

The fourth proportional to 18,859.13, 26,022.69 and 10,899.81 is: 15,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.13 : 26,022.69 = 10,899.81 : x
  2. Step 2: Convert to fraction form
    18,859.13/26,022.69 = 10,899.81/x
  3. Step 3: Cross multiply
    18,859.13x = 26,022.69 × 10,899.81
  4. Step 4: Simplify right side
    18,859.13x = 283,642,376.69
  5. Step 5: Solve for x
    x = 283,642,376.69/18,859.13
  6. Step 6: Final answer
    x = 15,040.06

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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.