Home / 10,664.46-14,719.12-7,311.47

Finding the Fourth Proportional to 10,664.46, 14,719.12 and 7,311.47

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Solution

The fourth proportional to 10,664.46, 14,719.12 and 7,311.47 is: 10,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.46 : 14,719.12 = 7,311.47 : x
  2. Step 2: Convert to fraction form
    10,664.46/14,719.12 = 7,311.47/x
  3. Step 3: Cross multiply
    10,664.46x = 14,719.12 × 7,311.47
  4. Step 4: Simplify right side
    10,664.46x = 107,618,312.43
  5. Step 5: Solve for x
    x = 107,618,312.43/10,664.46
  6. Step 6: Final answer
    x = 10,091.30

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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.