Home / 10,629.84-14,671.32-7,281.88

Finding the Fourth Proportional to 10,629.84, 14,671.32 and 7,281.88

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Solution

The fourth proportional to 10,629.84, 14,671.32 and 7,281.88 is: 10,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.84 : 14,671.32 = 7,281.88 : x
  2. Step 2: Convert to fraction form
    10,629.84/14,671.32 = 7,281.88/x
  3. Step 3: Cross multiply
    10,629.84x = 14,671.32 × 7,281.88
  4. Step 4: Simplify right side
    10,629.84x = 106,834,791.68
  5. Step 5: Solve for x
    x = 106,834,791.68/10,629.84
  6. Step 6: Final answer
    x = 10,050.46

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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.