Home / 14,782.92-20,400.25-8,068.66

Finding the Fourth Proportional to 14,782.92, 20,400.25 and 8,068.66

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Solution

The fourth proportional to 14,782.92, 20,400.25 and 8,068.66 is: 11,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.92 : 20,400.25 = 8,068.66 : x
  2. Step 2: Convert to fraction form
    14,782.92/20,400.25 = 8,068.66/x
  3. Step 3: Cross multiply
    14,782.92x = 20,400.25 × 8,068.66
  4. Step 4: Simplify right side
    14,782.92x = 164,602,681.17
  5. Step 5: Solve for x
    x = 164,602,681.17/14,782.92
  6. Step 6: Final answer
    x = 11,134.65

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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.