Home / 13,569.84-18,725.83-7,601.20

Finding the Fourth Proportional to 13,569.84, 18,725.83 and 7,601.20

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Solution

The fourth proportional to 13,569.84, 18,725.83 and 7,601.20 is: 10,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.84 : 18,725.83 = 7,601.20 : x
  2. Step 2: Convert to fraction form
    13,569.84/18,725.83 = 7,601.20/x
  3. Step 3: Cross multiply
    13,569.84x = 18,725.83 × 7,601.20
  4. Step 4: Simplify right side
    13,569.84x = 142,338,779.00
  5. Step 5: Solve for x
    x = 142,338,779.00/13,569.84
  6. Step 6: Final answer
    x = 10,489.35

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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.