Home / 14,134.90-21,178.77-6,225.64

Finding the Fourth Proportional to 14,134.90, 21,178.77 and 6,225.64

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Solution

The fourth proportional to 14,134.90, 21,178.77 and 6,225.64 is: 9,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.90 : 21,178.77 = 6,225.64 : x
  2. Step 2: Convert to fraction form
    14,134.90/21,178.77 = 6,225.64/x
  3. Step 3: Cross multiply
    14,134.90x = 21,178.77 × 6,225.64
  4. Step 4: Simplify right side
    14,134.90x = 131,851,397.66
  5. Step 5: Solve for x
    x = 131,851,397.66/14,134.90
  6. Step 6: Final answer
    x = 9,328.07

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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.