Home / 15,444.57-21,313.56-8,370.99

Finding the Fourth Proportional to 15,444.57, 21,313.56 and 8,370.99

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Solution

The fourth proportional to 15,444.57, 21,313.56 and 8,370.99 is: 11,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.57 : 21,313.56 = 8,370.99 : x
  2. Step 2: Convert to fraction form
    15,444.57/21,313.56 = 8,370.99/x
  3. Step 3: Cross multiply
    15,444.57x = 21,313.56 × 8,370.99
  4. Step 4: Simplify right side
    15,444.57x = 178,415,597.62
  5. Step 5: Solve for x
    x = 178,415,597.62/15,444.57
  6. Step 6: Final answer
    x = 11,552.00

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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.