Home / 9,916.45-13,684.58-5,669.23

Finding the Fourth Proportional to 9,916.45, 13,684.58 and 5,669.23

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Solution

The fourth proportional to 9,916.45, 13,684.58 and 5,669.23 is: 7,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.45 : 13,684.58 = 5,669.23 : x
  2. Step 2: Convert to fraction form
    9,916.45/13,684.58 = 5,669.23/x
  3. Step 3: Cross multiply
    9,916.45x = 13,684.58 × 5,669.23
  4. Step 4: Simplify right side
    9,916.45x = 77,581,020.51
  5. Step 5: Solve for x
    x = 77,581,020.51/9,916.45
  6. Step 6: Final answer
    x = 7,823.47

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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.