Home / 13,853.54-19,117.59-7,565.94

Finding the Fourth Proportional to 13,853.54, 19,117.59 and 7,565.94

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Solution

The fourth proportional to 13,853.54, 19,117.59 and 7,565.94 is: 10,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.54 : 19,117.59 = 7,565.94 : x
  2. Step 2: Convert to fraction form
    13,853.54/19,117.59 = 7,565.94/x
  3. Step 3: Cross multiply
    13,853.54x = 19,117.59 × 7,565.94
  4. Step 4: Simplify right side
    13,853.54x = 144,642,538.88
  5. Step 5: Solve for x
    x = 144,642,538.88/13,853.54
  6. Step 6: Final answer
    x = 10,440.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.