Home / 15,313.83-21,131.60-8,598.16

Finding the Fourth Proportional to 15,313.83, 21,131.60 and 8,598.16

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Solution

The fourth proportional to 15,313.83, 21,131.60 and 8,598.16 is: 11,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.83 : 21,131.60 = 8,598.16 : x
  2. Step 2: Convert to fraction form
    15,313.83/21,131.60 = 8,598.16/x
  3. Step 3: Cross multiply
    15,313.83x = 21,131.60 × 8,598.16
  4. Step 4: Simplify right side
    15,313.83x = 181,692,877.86
  5. Step 5: Solve for x
    x = 181,692,877.86/15,313.83
  6. Step 6: Final answer
    x = 11,864.63

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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.