Home / 19,303.80-26,642.70-11,346.36

Finding the Fourth Proportional to 19,303.80, 26,642.70 and 11,346.36

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Solution

The fourth proportional to 19,303.80, 26,642.70 and 11,346.36 is: 15,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.80 : 26,642.70 = 11,346.36 : x
  2. Step 2: Convert to fraction form
    19,303.80/26,642.70 = 11,346.36/x
  3. Step 3: Cross multiply
    19,303.80x = 26,642.70 × 11,346.36
  4. Step 4: Simplify right side
    19,303.80x = 302,297,665.57
  5. Step 5: Solve for x
    x = 302,297,665.57/19,303.80
  6. Step 6: Final answer
    x = 15,660.01

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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.