Home / 19,238.58-28,901.67-13,918.17

Finding the Fourth Proportional to 19,238.58, 28,901.67 and 13,918.17

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Solution

The fourth proportional to 19,238.58, 28,901.67 and 13,918.17 is: 20,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.58 : 28,901.67 = 13,918.17 : x
  2. Step 2: Convert to fraction form
    19,238.58/28,901.67 = 13,918.17/x
  3. Step 3: Cross multiply
    19,238.58x = 28,901.67 × 13,918.17
  4. Step 4: Simplify right side
    19,238.58x = 402,258,412.53
  5. Step 5: Solve for x
    x = 402,258,412.53/19,238.58
  6. Step 6: Final answer
    x = 20,908.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.