Home / 15,335.64-21,162.24-9,676.08

Finding the Fourth Proportional to 15,335.64, 21,162.24 and 9,676.08

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Solution

The fourth proportional to 15,335.64, 21,162.24 and 9,676.08 is: 13,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.64 : 21,162.24 = 9,676.08 : x
  2. Step 2: Convert to fraction form
    15,335.64/21,162.24 = 9,676.08/x
  3. Step 3: Cross multiply
    15,335.64x = 21,162.24 × 9,676.08
  4. Step 4: Simplify right side
    15,335.64x = 204,767,527.22
  5. Step 5: Solve for x
    x = 204,767,527.22/15,335.64
  6. Step 6: Final answer
    x = 13,352.40

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Half scale
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Double scale
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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.