Home / 14,130.32-19,500.10-7,757.51

Finding the Fourth Proportional to 14,130.32, 19,500.10 and 7,757.51

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Solution

The fourth proportional to 14,130.32, 19,500.10 and 7,757.51 is: 10,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.32 : 19,500.10 = 7,757.51 : x
  2. Step 2: Convert to fraction form
    14,130.32/19,500.10 = 7,757.51/x
  3. Step 3: Cross multiply
    14,130.32x = 19,500.10 × 7,757.51
  4. Step 4: Simplify right side
    14,130.32x = 151,272,250.11
  5. Step 5: Solve for x
    x = 151,272,250.11/14,130.32
  6. Step 6: Final answer
    x = 10,705.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.