Home / 10,277.28-14,211.60-9,812.64

Finding the Fourth Proportional to 10,277.28, 14,211.60 and 9,812.64

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Solution

The fourth proportional to 10,277.28, 14,211.60 and 9,812.64 is: 13,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.28 : 14,211.60 = 9,812.64 : x
  2. Step 2: Convert to fraction form
    10,277.28/14,211.60 = 9,812.64/x
  3. Step 3: Cross multiply
    10,277.28x = 14,211.60 × 9,812.64
  4. Step 4: Simplify right side
    10,277.28x = 139,453,314.62
  5. Step 5: Solve for x
    x = 139,453,314.62/10,277.28
  6. Step 6: Final answer
    x = 13,569.09

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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.