Home / 14,221.71-21,332.87-4,360.77

Finding the Fourth Proportional to 14,221.71, 21,332.87 and 4,360.77

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Solution

The fourth proportional to 14,221.71, 21,332.87 and 4,360.77 is: 6,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.71 : 21,332.87 = 4,360.77 : x
  2. Step 2: Convert to fraction form
    14,221.71/21,332.87 = 4,360.77/x
  3. Step 3: Cross multiply
    14,221.71x = 21,332.87 × 4,360.77
  4. Step 4: Simplify right side
    14,221.71x = 93,027,680.73
  5. Step 5: Solve for x
    x = 93,027,680.73/14,221.71
  6. Step 6: Final answer
    x = 6,541.25

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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.