Home / 13,283.64-18,329.56-7,904.52

Finding the Fourth Proportional to 13,283.64, 18,329.56 and 7,904.52

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Solution

The fourth proportional to 13,283.64, 18,329.56 and 7,904.52 is: 10,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.64 : 18,329.56 = 7,904.52 : x
  2. Step 2: Convert to fraction form
    13,283.64/18,329.56 = 7,904.52/x
  3. Step 3: Cross multiply
    13,283.64x = 18,329.56 × 7,904.52
  4. Step 4: Simplify right side
    13,283.64x = 144,886,373.61
  5. Step 5: Solve for x
    x = 144,886,373.61/13,283.64
  6. Step 6: Final answer
    x = 10,907.13

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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.