Home / 15,297.96-21,110.46-9,010.68

Finding the Fourth Proportional to 15,297.96, 21,110.46 and 9,010.68

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Solution

The fourth proportional to 15,297.96, 21,110.46 and 9,010.68 is: 12,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.96 : 21,110.46 = 9,010.68 : x
  2. Step 2: Convert to fraction form
    15,297.96/21,110.46 = 9,010.68/x
  3. Step 3: Cross multiply
    15,297.96x = 21,110.46 × 9,010.68
  4. Step 4: Simplify right side
    15,297.96x = 190,219,599.71
  5. Step 5: Solve for x
    x = 190,219,599.71/15,297.96
  6. Step 6: Final answer
    x = 12,434.31

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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.