Home / 10,487.40-14,472.56-6,295.64

Finding the Fourth Proportional to 10,487.40, 14,472.56 and 6,295.64

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Solution

The fourth proportional to 10,487.40, 14,472.56 and 6,295.64 is: 8,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.40 : 14,472.56 = 6,295.64 : x
  2. Step 2: Convert to fraction form
    10,487.40/14,472.56 = 6,295.64/x
  3. Step 3: Cross multiply
    10,487.40x = 14,472.56 × 6,295.64
  4. Step 4: Simplify right side
    10,487.40x = 91,114,027.64
  5. Step 5: Solve for x
    x = 91,114,027.64/10,487.40
  6. Step 6: Final answer
    x = 8,687.95

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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.