Home / 10,455.36-14,429.39-5,740.35

Finding the Fourth Proportional to 10,455.36, 14,429.39 and 5,740.35

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Solution

The fourth proportional to 10,455.36, 14,429.39 and 5,740.35 is: 7,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.36 : 14,429.39 = 5,740.35 : x
  2. Step 2: Convert to fraction form
    10,455.36/14,429.39 = 5,740.35/x
  3. Step 3: Cross multiply
    10,455.36x = 14,429.39 × 5,740.35
  4. Step 4: Simplify right side
    10,455.36x = 82,829,720.18
  5. Step 5: Solve for x
    x = 82,829,720.18/10,455.36
  6. Step 6: Final answer
    x = 7,922.23

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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.