Home / 9,690.49-13,372.18-5,913.33

Finding the Fourth Proportional to 9,690.49, 13,372.18 and 5,913.33

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Solution

The fourth proportional to 9,690.49, 13,372.18 and 5,913.33 is: 8,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.49 : 13,372.18 = 5,913.33 : x
  2. Step 2: Convert to fraction form
    9,690.49/13,372.18 = 5,913.33/x
  3. Step 3: Cross multiply
    9,690.49x = 13,372.18 × 5,913.33
  4. Step 4: Simplify right side
    9,690.49x = 79,074,113.16
  5. Step 5: Solve for x
    x = 79,074,113.16/9,690.49
  6. Step 6: Final answer
    x = 8,159.97

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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.