Home / 10,604.36-14,639.28-6,627.68

Finding the Fourth Proportional to 10,604.36, 14,639.28 and 6,627.68

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Solution

The fourth proportional to 10,604.36, 14,639.28 and 6,627.68 is: 9,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.36 : 14,639.28 = 6,627.68 : x
  2. Step 2: Convert to fraction form
    10,604.36/14,639.28 = 6,627.68/x
  3. Step 3: Cross multiply
    10,604.36x = 14,639.28 × 6,627.68
  4. Step 4: Simplify right side
    10,604.36x = 97,024,463.27
  5. Step 5: Solve for x
    x = 97,024,463.27/10,604.36
  6. Step 6: Final answer
    x = 9,149.49

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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.