Home / 13,064.64-18,030.60-8,028.96

Finding the Fourth Proportional to 13,064.64, 18,030.60 and 8,028.96

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Solution

The fourth proportional to 13,064.64, 18,030.60 and 8,028.96 is: 11,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.64 : 18,030.60 = 8,028.96 : x
  2. Step 2: Convert to fraction form
    13,064.64/18,030.60 = 8,028.96/x
  3. Step 3: Cross multiply
    13,064.64x = 18,030.60 × 8,028.96
  4. Step 4: Simplify right side
    13,064.64x = 144,766,966.18
  5. Step 5: Solve for x
    x = 144,766,966.18/13,064.64
  6. Step 6: Final answer
    x = 11,080.82

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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.