Home / 10,302.88-14,218-5,587.16

Finding the Fourth Proportional to 10,302.88, 14,218 and 5,587.16

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Solution

The fourth proportional to 10,302.88, 14,218 and 5,587.16 is: 7,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.88 : 14,218 = 5,587.16 : x
  2. Step 2: Convert to fraction form
    10,302.88/14,218 = 5,587.16/x
  3. Step 3: Cross multiply
    10,302.88x = 14,218 × 5,587.16
  4. Step 4: Simplify right side
    10,302.88x = 79,438,240.88
  5. Step 5: Solve for x
    x = 79,438,240.88/10,302.88
  6. Step 6: Final answer
    x = 7,710.29

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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.