Home / 14,284.60-19,711.29-8,235.52

Finding the Fourth Proportional to 14,284.60, 19,711.29 and 8,235.52

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Solution

The fourth proportional to 14,284.60, 19,711.29 and 8,235.52 is: 11,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.60 : 19,711.29 = 8,235.52 : x
  2. Step 2: Convert to fraction form
    14,284.60/19,711.29 = 8,235.52/x
  3. Step 3: Cross multiply
    14,284.60x = 19,711.29 × 8,235.52
  4. Step 4: Simplify right side
    14,284.60x = 162,332,723.02
  5. Step 5: Solve for x
    x = 162,332,723.02/14,284.60
  6. Step 6: Final answer
    x = 11,364.18

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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.