Home / 9,916.37-13,683.72-5,666.59

Finding the Fourth Proportional to 9,916.37, 13,683.72 and 5,666.59

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Solution

The fourth proportional to 9,916.37, 13,683.72 and 5,666.59 is: 7,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.37 : 13,683.72 = 5,666.59 : x
  2. Step 2: Convert to fraction form
    9,916.37/13,683.72 = 5,666.59/x
  3. Step 3: Cross multiply
    9,916.37x = 13,683.72 × 5,666.59
  4. Step 4: Simplify right side
    9,916.37x = 77,540,045.08
  5. Step 5: Solve for x
    x = 77,540,045.08/9,916.37
  6. Step 6: Final answer
    x = 7,819.40

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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.