Home / 10,623.76-14,670.12-6,651.64

Finding the Fourth Proportional to 10,623.76, 14,670.12 and 6,651.64

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Solution

The fourth proportional to 10,623.76, 14,670.12 and 6,651.64 is: 9,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.76 : 14,670.12 = 6,651.64 : x
  2. Step 2: Convert to fraction form
    10,623.76/14,670.12 = 6,651.64/x
  3. Step 3: Cross multiply
    10,623.76x = 14,670.12 × 6,651.64
  4. Step 4: Simplify right side
    10,623.76x = 97,580,357.00
  5. Step 5: Solve for x
    x = 97,580,357.00/10,623.76
  6. Step 6: Final answer
    x = 9,185.11

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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.