Home / 9,787.04-13,500.24-6,248.96

Finding the Fourth Proportional to 9,787.04, 13,500.24 and 6,248.96

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Solution

The fourth proportional to 9,787.04, 13,500.24 and 6,248.96 is: 8,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.04 : 13,500.24 = 6,248.96 : x
  2. Step 2: Convert to fraction form
    9,787.04/13,500.24 = 6,248.96/x
  3. Step 3: Cross multiply
    9,787.04x = 13,500.24 × 6,248.96
  4. Step 4: Simplify right side
    9,787.04x = 84,362,459.75
  5. Step 5: Solve for x
    x = 84,362,459.75/9,787.04
  6. Step 6: Final answer
    x = 8,619.81

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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.