Home / 10,376.51-14,325.26-7,315.11

Finding the Fourth Proportional to 10,376.51, 14,325.26 and 7,315.11

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Solution

The fourth proportional to 10,376.51, 14,325.26 and 7,315.11 is: 10,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.51 : 14,325.26 = 7,315.11 : x
  2. Step 2: Convert to fraction form
    10,376.51/14,325.26 = 7,315.11/x
  3. Step 3: Cross multiply
    10,376.51x = 14,325.26 × 7,315.11
  4. Step 4: Simplify right side
    10,376.51x = 104,790,816.10
  5. Step 5: Solve for x
    x = 104,790,816.10/10,376.51
  6. Step 6: Final answer
    x = 10,098.85

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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.