Home / 10,455.06-14,428.90-5,740.26

Finding the Fourth Proportional to 10,455.06, 14,428.90 and 5,740.26

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Solution

The fourth proportional to 10,455.06, 14,428.90 and 5,740.26 is: 7,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.06 : 14,428.90 = 5,740.26 : x
  2. Step 2: Convert to fraction form
    10,455.06/14,428.90 = 5,740.26/x
  3. Step 3: Cross multiply
    10,455.06x = 14,428.90 × 5,740.26
  4. Step 4: Simplify right side
    10,455.06x = 82,825,637.51
  5. Step 5: Solve for x
    x = 82,825,637.51/10,455.06
  6. Step 6: Final answer
    x = 7,922.06

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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.