Home / 10,664.55-14,723.09-7,396.20

Finding the Fourth Proportional to 10,664.55, 14,723.09 and 7,396.20

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Solution

The fourth proportional to 10,664.55, 14,723.09 and 7,396.20 is: 10,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.55 : 14,723.09 = 7,396.20 : x
  2. Step 2: Convert to fraction form
    10,664.55/14,723.09 = 7,396.20/x
  3. Step 3: Cross multiply
    10,664.55x = 14,723.09 × 7,396.20
  4. Step 4: Simplify right side
    10,664.55x = 108,894,881.28
  5. Step 5: Solve for x
    x = 108,894,881.28/10,664.55
  6. Step 6: Final answer
    x = 10,210.92

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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.