Home / 19,308.38-26,642.48-10,810.87

Finding the Fourth Proportional to 19,308.38, 26,642.48 and 10,810.87

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Solution

The fourth proportional to 19,308.38, 26,642.48 and 10,810.87 is: 14,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.38 : 26,642.48 = 10,810.87 : x
  2. Step 2: Convert to fraction form
    19,308.38/26,642.48 = 10,810.87/x
  3. Step 3: Cross multiply
    19,308.38x = 26,642.48 × 10,810.87
  4. Step 4: Simplify right side
    19,308.38x = 288,028,267.10
  5. Step 5: Solve for x
    x = 288,028,267.10/19,308.38
  6. Step 6: Final answer
    x = 14,917.27

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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.