Home / 15,833.40-21,851.58-9,460

Finding the Fourth Proportional to 15,833.40, 21,851.58 and 9,460

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Solution

The fourth proportional to 15,833.40, 21,851.58 and 9,460 is: 13,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.40 : 21,851.58 = 9,460 : x
  2. Step 2: Convert to fraction form
    15,833.40/21,851.58 = 9,460/x
  3. Step 3: Cross multiply
    15,833.40x = 21,851.58 × 9,460
  4. Step 4: Simplify right side
    15,833.40x = 206,715,946.80
  5. Step 5: Solve for x
    x = 206,715,946.80/15,833.40
  6. Step 6: Final answer
    x = 13,055.69

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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.