Home / 15,080.34-20,810.37-9,110.96

Finding the Fourth Proportional to 15,080.34, 20,810.37 and 9,110.96

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Solution

The fourth proportional to 15,080.34, 20,810.37 and 9,110.96 is: 12,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,080.34 : 20,810.37 = 9,110.96 : x
  2. Step 2: Convert to fraction form
    15,080.34/20,810.37 = 9,110.96/x
  3. Step 3: Cross multiply
    15,080.34x = 20,810.37 × 9,110.96
  4. Step 4: Simplify right side
    15,080.34x = 189,602,448.66
  5. Step 5: Solve for x
    x = 189,602,448.66/15,080.34
  6. Step 6: Final answer
    x = 12,572.82

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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.