Home / 15,030.89-20,733.57-9,926.44

Finding the Fourth Proportional to 15,030.89, 20,733.57 and 9,926.44

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Solution

The fourth proportional to 15,030.89, 20,733.57 and 9,926.44 is: 13,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.89 : 20,733.57 = 9,926.44 : x
  2. Step 2: Convert to fraction form
    15,030.89/20,733.57 = 9,926.44/x
  3. Step 3: Cross multiply
    15,030.89x = 20,733.57 × 9,926.44
  4. Step 4: Simplify right side
    15,030.89x = 205,810,538.59
  5. Step 5: Solve for x
    x = 205,810,538.59/15,030.89
  6. Step 6: Final answer
    x = 13,692.51

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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.