Home / 21,041.64-29,037.60-11,482.20

Finding the Fourth Proportional to 21,041.64, 29,037.60 and 11,482.20

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Solution

The fourth proportional to 21,041.64, 29,037.60 and 11,482.20 is: 15,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.64 : 29,037.60 = 11,482.20 : x
  2. Step 2: Convert to fraction form
    21,041.64/29,037.60 = 11,482.20/x
  3. Step 3: Cross multiply
    21,041.64x = 29,037.60 × 11,482.20
  4. Step 4: Simplify right side
    21,041.64x = 333,415,530.72
  5. Step 5: Solve for x
    x = 333,415,530.72/21,041.64
  6. Step 6: Final answer
    x = 15,845.51

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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.