Home / 14,225.32-21,296.64-8,284.07

Finding the Fourth Proportional to 14,225.32, 21,296.64 and 8,284.07

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Solution

The fourth proportional to 14,225.32, 21,296.64 and 8,284.07 is: 12,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.32 : 21,296.64 = 8,284.07 : x
  2. Step 2: Convert to fraction form
    14,225.32/21,296.64 = 8,284.07/x
  3. Step 3: Cross multiply
    14,225.32x = 21,296.64 × 8,284.07
  4. Step 4: Simplify right side
    14,225.32x = 176,422,856.52
  5. Step 5: Solve for x
    x = 176,422,856.52/14,225.32
  6. Step 6: Final answer
    x = 12,402.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.