Home / 11,787.12-16,267.56-6,482.40

Finding the Fourth Proportional to 11,787.12, 16,267.56 and 6,482.40

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Solution

The fourth proportional to 11,787.12, 16,267.56 and 6,482.40 is: 8,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.12 : 16,267.56 = 6,482.40 : x
  2. Step 2: Convert to fraction form
    11,787.12/16,267.56 = 6,482.40/x
  3. Step 3: Cross multiply
    11,787.12x = 16,267.56 × 6,482.40
  4. Step 4: Simplify right side
    11,787.12x = 105,452,830.94
  5. Step 5: Solve for x
    x = 105,452,830.94/11,787.12
  6. Step 6: Final answer
    x = 8,946.45

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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.