Home / 11,643.50-16,068.04-6,338.40

Finding the Fourth Proportional to 11,643.50, 16,068.04 and 6,338.40

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Solution

The fourth proportional to 11,643.50, 16,068.04 and 6,338.40 is: 8,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.50 : 16,068.04 = 6,338.40 : x
  2. Step 2: Convert to fraction form
    11,643.50/16,068.04 = 6,338.40/x
  3. Step 3: Cross multiply
    11,643.50x = 16,068.04 × 6,338.40
  4. Step 4: Simplify right side
    11,643.50x = 101,845,664.74
  5. Step 5: Solve for x
    x = 101,845,664.74/11,643.50
  6. Step 6: Final answer
    x = 8,747.00

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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.