Home / 15,313.19-21,131.48-9,024.35

Finding the Fourth Proportional to 15,313.19, 21,131.48 and 9,024.35

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Solution

The fourth proportional to 15,313.19, 21,131.48 and 9,024.35 is: 12,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.19 : 21,131.48 = 9,024.35 : x
  2. Step 2: Convert to fraction form
    15,313.19/21,131.48 = 9,024.35/x
  3. Step 3: Cross multiply
    15,313.19x = 21,131.48 × 9,024.35
  4. Step 4: Simplify right side
    15,313.19x = 190,697,788.44
  5. Step 5: Solve for x
    x = 190,697,788.44/15,313.19
  6. Step 6: Final answer
    x = 12,453.18

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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.