Home / 9,787.26-13,506.40-5,595.60

Finding the Fourth Proportional to 9,787.26, 13,506.40 and 5,595.60

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Solution

The fourth proportional to 9,787.26, 13,506.40 and 5,595.60 is: 7,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.26 : 13,506.40 = 5,595.60 : x
  2. Step 2: Convert to fraction form
    9,787.26/13,506.40 = 5,595.60/x
  3. Step 3: Cross multiply
    9,787.26x = 13,506.40 × 5,595.60
  4. Step 4: Simplify right side
    9,787.26x = 75,576,411.84
  5. Step 5: Solve for x
    x = 75,576,411.84/9,787.26
  6. Step 6: Final answer
    x = 7,721.92

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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.