Home / 10,310.60-14,228.40-5,711.24

Finding the Fourth Proportional to 10,310.60, 14,228.40 and 5,711.24

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Solution

The fourth proportional to 10,310.60, 14,228.40 and 5,711.24 is: 7,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.60 : 14,228.40 = 5,711.24 : x
  2. Step 2: Convert to fraction form
    10,310.60/14,228.40 = 5,711.24/x
  3. Step 3: Cross multiply
    10,310.60x = 14,228.40 × 5,711.24
  4. Step 4: Simplify right side
    10,310.60x = 81,261,807.22
  5. Step 5: Solve for x
    x = 81,261,807.22/10,310.60
  6. Step 6: Final answer
    x = 7,881.38

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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.