Home / 15,197.28-20,986.74-14,368.98

Finding the Fourth Proportional to 15,197.28, 20,986.74 and 14,368.98

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Solution

The fourth proportional to 15,197.28, 20,986.74 and 14,368.98 is: 19,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.28 : 20,986.74 = 14,368.98 : x
  2. Step 2: Convert to fraction form
    15,197.28/20,986.74 = 14,368.98/x
  3. Step 3: Cross multiply
    15,197.28x = 20,986.74 × 14,368.98
  4. Step 4: Simplify right side
    15,197.28x = 301,558,047.33
  5. Step 5: Solve for x
    x = 301,558,047.33/15,197.28
  6. Step 6: Final answer
    x = 19,842.90

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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.