Home / 13,335.64-19,961.48-9,151.16

Finding the Fourth Proportional to 13,335.64, 19,961.48 and 9,151.16

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Solution

The fourth proportional to 13,335.64, 19,961.48 and 9,151.16 is: 13,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.64 : 19,961.48 = 9,151.16 : x
  2. Step 2: Convert to fraction form
    13,335.64/19,961.48 = 9,151.16/x
  3. Step 3: Cross multiply
    13,335.64x = 19,961.48 × 9,151.16
  4. Step 4: Simplify right side
    13,335.64x = 182,670,697.32
  5. Step 5: Solve for x
    x = 182,670,697.32/13,335.64
  6. Step 6: Final answer
    x = 13,697.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.