Home / 10,265.81-14,166.38-5,728.48

Finding the Fourth Proportional to 10,265.81, 14,166.38 and 5,728.48

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Solution

The fourth proportional to 10,265.81, 14,166.38 and 5,728.48 is: 7,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.81 : 14,166.38 = 5,728.48 : x
  2. Step 2: Convert to fraction form
    10,265.81/14,166.38 = 5,728.48/x
  3. Step 3: Cross multiply
    10,265.81x = 14,166.38 × 5,728.48
  4. Step 4: Simplify right side
    10,265.81x = 81,151,803.41
  5. Step 5: Solve for x
    x = 81,151,803.41/10,265.81
  6. Step 6: Final answer
    x = 7,905.06

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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.