Home / 10,338.42-14,260.62-9,015.30

Finding the Fourth Proportional to 10,338.42, 14,260.62 and 9,015.30

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Solution

The fourth proportional to 10,338.42, 14,260.62 and 9,015.30 is: 12,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.42 : 14,260.62 = 9,015.30 : x
  2. Step 2: Convert to fraction form
    10,338.42/14,260.62 = 9,015.30/x
  3. Step 3: Cross multiply
    10,338.42x = 14,260.62 × 9,015.30
  4. Step 4: Simplify right side
    10,338.42x = 128,563,767.49
  5. Step 5: Solve for x
    x = 128,563,767.49/10,338.42
  6. Step 6: Final answer
    x = 12,435.53

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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.