Home / 13,133.49-19,702.17-4,811.58

Finding the Fourth Proportional to 13,133.49, 19,702.17 and 4,811.58

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Solution

The fourth proportional to 13,133.49, 19,702.17 and 4,811.58 is: 7,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.49 : 19,702.17 = 4,811.58 : x
  2. Step 2: Convert to fraction form
    13,133.49/19,702.17 = 4,811.58/x
  3. Step 3: Cross multiply
    13,133.49x = 19,702.17 × 4,811.58
  4. Step 4: Simplify right side
    13,133.49x = 94,798,567.13
  5. Step 5: Solve for x
    x = 94,798,567.13/13,133.49
  6. Step 6: Final answer
    x = 7,218.08

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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.