Home / 10,317.04-15,475.24-2,921.32

Finding the Fourth Proportional to 10,317.04, 15,475.24 and 2,921.32

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Solution

The fourth proportional to 10,317.04, 15,475.24 and 2,921.32 is: 4,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.04 : 15,475.24 = 2,921.32 : x
  2. Step 2: Convert to fraction form
    10,317.04/15,475.24 = 2,921.32/x
  3. Step 3: Cross multiply
    10,317.04x = 15,475.24 × 2,921.32
  4. Step 4: Simplify right side
    10,317.04x = 45,208,128.12
  5. Step 5: Solve for x
    x = 45,208,128.12/10,317.04
  6. Step 6: Final answer
    x = 4,381.89

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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.