Home / 13,204.48-19,785.66-9,678.16

Finding the Fourth Proportional to 13,204.48, 19,785.66 and 9,678.16

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Solution

The fourth proportional to 13,204.48, 19,785.66 and 9,678.16 is: 14,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.48 : 19,785.66 = 9,678.16 : x
  2. Step 2: Convert to fraction form
    13,204.48/19,785.66 = 9,678.16/x
  3. Step 3: Cross multiply
    13,204.48x = 19,785.66 × 9,678.16
  4. Step 4: Simplify right side
    13,204.48x = 191,488,783.19
  5. Step 5: Solve for x
    x = 191,488,783.19/13,204.48
  6. Step 6: Final answer
    x = 14,501.80

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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.