Home / 9,665.29-14,478.70-6,368.39

Finding the Fourth Proportional to 9,665.29, 14,478.70 and 6,368.39

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Solution

The fourth proportional to 9,665.29, 14,478.70 and 6,368.39 is: 9,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665.29 : 14,478.70 = 6,368.39 : x
  2. Step 2: Convert to fraction form
    9,665.29/14,478.70 = 6,368.39/x
  3. Step 3: Cross multiply
    9,665.29x = 14,478.70 × 6,368.39
  4. Step 4: Simplify right side
    9,665.29x = 92,205,935.90
  5. Step 5: Solve for x
    x = 92,205,935.90/9,665.29
  6. Step 6: Final answer
    x = 9,539.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.