Home / 10,787.83-14,884.30-6,312.68

Finding the Fourth Proportional to 10,787.83, 14,884.30 and 6,312.68

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Solution

The fourth proportional to 10,787.83, 14,884.30 and 6,312.68 is: 8,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.83 : 14,884.30 = 6,312.68 : x
  2. Step 2: Convert to fraction form
    10,787.83/14,884.30 = 6,312.68/x
  3. Step 3: Cross multiply
    10,787.83x = 14,884.30 × 6,312.68
  4. Step 4: Simplify right side
    10,787.83x = 93,959,822.92
  5. Step 5: Solve for x
    x = 93,959,822.92/10,787.83
  6. Step 6: Final answer
    x = 8,709.80

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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.