Home / 15,101.07-20,841.30-9,133.29

Finding the Fourth Proportional to 15,101.07, 20,841.30 and 9,133.29

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Solution

The fourth proportional to 15,101.07, 20,841.30 and 9,133.29 is: 12,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.07 : 20,841.30 = 9,133.29 : x
  2. Step 2: Convert to fraction form
    15,101.07/20,841.30 = 9,133.29/x
  3. Step 3: Cross multiply
    15,101.07x = 20,841.30 × 9,133.29
  4. Step 4: Simplify right side
    15,101.07x = 190,349,636.88
  5. Step 5: Solve for x
    x = 190,349,636.88/15,101.07
  6. Step 6: Final answer
    x = 12,605.04

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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.