Home / 8,513.40-11,724.30-6,151.80

Finding the Fourth Proportional to 8,513.40, 11,724.30 and 6,151.80

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Solution

The fourth proportional to 8,513.40, 11,724.30 and 6,151.80 is: 8,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.40 : 11,724.30 = 6,151.80 : x
  2. Step 2: Convert to fraction form
    8,513.40/11,724.30 = 6,151.80/x
  3. Step 3: Cross multiply
    8,513.40x = 11,724.30 × 6,151.80
  4. Step 4: Simplify right side
    8,513.40x = 72,125,548.74
  5. Step 5: Solve for x
    x = 72,125,548.74/8,513.40
  6. Step 6: Final answer
    x = 8,472.00

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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.