Home / 15,068.26-20,796.13-9,898.55

Finding the Fourth Proportional to 15,068.26, 20,796.13 and 9,898.55

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Solution

The fourth proportional to 15,068.26, 20,796.13 and 9,898.55 is: 13,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.26 : 20,796.13 = 9,898.55 : x
  2. Step 2: Convert to fraction form
    15,068.26/20,796.13 = 9,898.55/x
  3. Step 3: Cross multiply
    15,068.26x = 20,796.13 × 9,898.55
  4. Step 4: Simplify right side
    15,068.26x = 205,851,580.29
  5. Step 5: Solve for x
    x = 205,851,580.29/15,068.26
  6. Step 6: Final answer
    x = 13,661.27

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1.5x scale

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.