Home / 10,643.80-14,688.66-6,169

Finding the Fourth Proportional to 10,643.80, 14,688.66 and 6,169

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Solution

The fourth proportional to 10,643.80, 14,688.66 and 6,169 is: 8,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.80 : 14,688.66 = 6,169 : x
  2. Step 2: Convert to fraction form
    10,643.80/14,688.66 = 6,169/x
  3. Step 3: Cross multiply
    10,643.80x = 14,688.66 × 6,169
  4. Step 4: Simplify right side
    10,643.80x = 90,614,343.54
  5. Step 5: Solve for x
    x = 90,614,343.54/10,643.80
  6. Step 6: Final answer
    x = 8,513.35

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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.