Home / 10,715.85-14,787.63-6,000.21

Finding the Fourth Proportional to 10,715.85, 14,787.63 and 6,000.21

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Solution

The fourth proportional to 10,715.85, 14,787.63 and 6,000.21 is: 8,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.85 : 14,787.63 = 6,000.21 : x
  2. Step 2: Convert to fraction form
    10,715.85/14,787.63 = 6,000.21/x
  3. Step 3: Cross multiply
    10,715.85x = 14,787.63 × 6,000.21
  4. Step 4: Simplify right side
    10,715.85x = 88,728,885.40
  5. Step 5: Solve for x
    x = 88,728,885.40/10,715.85
  6. Step 6: Final answer
    x = 8,280.15

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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.