Home / 15,298.44-21,109.28-9,012.06

Finding the Fourth Proportional to 15,298.44, 21,109.28 and 9,012.06

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Solution

The fourth proportional to 15,298.44, 21,109.28 and 9,012.06 is: 12,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.44 : 21,109.28 = 9,012.06 : x
  2. Step 2: Convert to fraction form
    15,298.44/21,109.28 = 9,012.06/x
  3. Step 3: Cross multiply
    15,298.44x = 21,109.28 × 9,012.06
  4. Step 4: Simplify right side
    15,298.44x = 190,238,097.92
  5. Step 5: Solve for x
    x = 190,238,097.92/15,298.44
  6. Step 6: Final answer
    x = 12,435.13

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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.