Home / 10,345.36-15,522-10,312.96

Finding the Fourth Proportional to 10,345.36, 15,522 and 10,312.96

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Solution

The fourth proportional to 10,345.36, 15,522 and 10,312.96 is: 15,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.36 : 15,522 = 10,312.96 : x
  2. Step 2: Convert to fraction form
    10,345.36/15,522 = 10,312.96/x
  3. Step 3: Cross multiply
    10,345.36x = 15,522 × 10,312.96
  4. Step 4: Simplify right side
    10,345.36x = 160,077,765.12
  5. Step 5: Solve for x
    x = 160,077,765.12/10,345.36
  6. Step 6: Final answer
    x = 15,473.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.