Home / 13,183.32-19,699.35-12,937.08

Finding the Fourth Proportional to 13,183.32, 19,699.35 and 12,937.08

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Solution

The fourth proportional to 13,183.32, 19,699.35 and 12,937.08 is: 19,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.32 : 19,699.35 = 12,937.08 : x
  2. Step 2: Convert to fraction form
    13,183.32/19,699.35 = 12,937.08/x
  3. Step 3: Cross multiply
    13,183.32x = 19,699.35 × 12,937.08
  4. Step 4: Simplify right side
    13,183.32x = 254,852,066.90
  5. Step 5: Solve for x
    x = 254,852,066.90/13,183.32
  6. Step 6: Final answer
    x = 19,331.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.