Home / 10,310.56-14,213.63-7,617.81

Finding the Fourth Proportional to 10,310.56, 14,213.63 and 7,617.81

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Solution

The fourth proportional to 10,310.56, 14,213.63 and 7,617.81 is: 10,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.56 : 14,213.63 = 7,617.81 : x
  2. Step 2: Convert to fraction form
    10,310.56/14,213.63 = 7,617.81/x
  3. Step 3: Cross multiply
    10,310.56x = 14,213.63 × 7,617.81
  4. Step 4: Simplify right side
    10,310.56x = 108,276,805.10
  5. Step 5: Solve for x
    x = 108,276,805.10/10,310.56
  6. Step 6: Final answer
    x = 10,501.55

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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.