Home / 19,282.85-26,610.38-10,785.11

Finding the Fourth Proportional to 19,282.85, 26,610.38 and 10,785.11

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Solution

The fourth proportional to 19,282.85, 26,610.38 and 10,785.11 is: 14,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.85 : 26,610.38 = 10,785.11 : x
  2. Step 2: Convert to fraction form
    19,282.85/26,610.38 = 10,785.11/x
  3. Step 3: Cross multiply
    19,282.85x = 26,610.38 × 10,785.11
  4. Step 4: Simplify right side
    19,282.85x = 286,995,939.26
  5. Step 5: Solve for x
    x = 286,995,939.26/19,282.85
  6. Step 6: Final answer
    x = 14,883.49

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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.