Home / 15,360.30-21,203.76-10,327.45

Finding the Fourth Proportional to 15,360.30, 21,203.76 and 10,327.45

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Solution

The fourth proportional to 15,360.30, 21,203.76 and 10,327.45 is: 14,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.30 : 21,203.76 = 10,327.45 : x
  2. Step 2: Convert to fraction form
    15,360.30/21,203.76 = 10,327.45/x
  3. Step 3: Cross multiply
    15,360.30x = 21,203.76 × 10,327.45
  4. Step 4: Simplify right side
    15,360.30x = 218,980,613.56
  5. Step 5: Solve for x
    x = 218,980,613.56/15,360.30
  6. Step 6: Final answer
    x = 14,256.27

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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.