Home / 14,207.28-19,605.60-7,919.52

Finding the Fourth Proportional to 14,207.28, 19,605.60 and 7,919.52

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Solution

The fourth proportional to 14,207.28, 19,605.60 and 7,919.52 is: 10,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.28 : 19,605.60 = 7,919.52 : x
  2. Step 2: Convert to fraction form
    14,207.28/19,605.60 = 7,919.52/x
  3. Step 3: Cross multiply
    14,207.28x = 19,605.60 × 7,919.52
  4. Step 4: Simplify right side
    14,207.28x = 155,266,941.31
  5. Step 5: Solve for x
    x = 155,266,941.31/14,207.28
  6. Step 6: Final answer
    x = 10,928.69

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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.