Home / 11,528.76-15,916.47-10,864.47

Finding the Fourth Proportional to 11,528.76, 15,916.47 and 10,864.47

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Solution

The fourth proportional to 11,528.76, 15,916.47 and 10,864.47 is: 14,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.76 : 15,916.47 = 10,864.47 : x
  2. Step 2: Convert to fraction form
    11,528.76/15,916.47 = 10,864.47/x
  3. Step 3: Cross multiply
    11,528.76x = 15,916.47 × 10,864.47
  4. Step 4: Simplify right side
    11,528.76x = 172,924,010.82
  5. Step 5: Solve for x
    x = 172,924,010.82/11,528.76
  6. Step 6: Final answer
    x = 14,999.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.