Home / 15,587.98-21,495.04-10,276

Finding the Fourth Proportional to 15,587.98, 21,495.04 and 10,276

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Solution

The fourth proportional to 15,587.98, 21,495.04 and 10,276 is: 14,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.98 : 21,495.04 = 10,276 : x
  2. Step 2: Convert to fraction form
    15,587.98/21,495.04 = 10,276/x
  3. Step 3: Cross multiply
    15,587.98x = 21,495.04 × 10,276
  4. Step 4: Simplify right side
    15,587.98x = 220,883,031.04
  5. Step 5: Solve for x
    x = 220,883,031.04/15,587.98
  6. Step 6: Final answer
    x = 14,170.09

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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.