Home / 14,583.58-20,125.71-8,210.40

Finding the Fourth Proportional to 14,583.58, 20,125.71 and 8,210.40

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Solution

The fourth proportional to 14,583.58, 20,125.71 and 8,210.40 is: 11,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.58 : 20,125.71 = 8,210.40 : x
  2. Step 2: Convert to fraction form
    14,583.58/20,125.71 = 8,210.40/x
  3. Step 3: Cross multiply
    14,583.58x = 20,125.71 × 8,210.40
  4. Step 4: Simplify right side
    14,583.58x = 165,240,129.38
  5. Step 5: Solve for x
    x = 165,240,129.38/14,583.58
  6. Step 6: Final answer
    x = 11,330.56

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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.