Home / 10,299.78-14,211.32-6,948.81

Finding the Fourth Proportional to 10,299.78, 14,211.32 and 6,948.81

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Solution

The fourth proportional to 10,299.78, 14,211.32 and 6,948.81 is: 9,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.78 : 14,211.32 = 6,948.81 : x
  2. Step 2: Convert to fraction form
    10,299.78/14,211.32 = 6,948.81/x
  3. Step 3: Cross multiply
    10,299.78x = 14,211.32 × 6,948.81
  4. Step 4: Simplify right side
    10,299.78x = 98,751,727.79
  5. Step 5: Solve for x
    x = 98,751,727.79/10,299.78
  6. Step 6: Final answer
    x = 9,587.75

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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.