Home / 17,656.64-24,364.96-9,699.20

Finding the Fourth Proportional to 17,656.64, 24,364.96 and 9,699.20

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Solution

The fourth proportional to 17,656.64, 24,364.96 and 9,699.20 is: 13,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.64 : 24,364.96 = 9,699.20 : x
  2. Step 2: Convert to fraction form
    17,656.64/24,364.96 = 9,699.20/x
  3. Step 3: Cross multiply
    17,656.64x = 24,364.96 × 9,699.20
  4. Step 4: Simplify right side
    17,656.64x = 236,320,473.96
  5. Step 5: Solve for x
    x = 236,320,473.96/17,656.64
  6. Step 6: Final answer
    x = 13,384.23

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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.