Home / 13,277.71-19,887.89-6,247.19

Finding the Fourth Proportional to 13,277.71, 19,887.89 and 6,247.19

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Solution

The fourth proportional to 13,277.71, 19,887.89 and 6,247.19 is: 9,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.71 : 19,887.89 = 6,247.19 : x
  2. Step 2: Convert to fraction form
    13,277.71/19,887.89 = 6,247.19/x
  3. Step 3: Cross multiply
    13,277.71x = 19,887.89 × 6,247.19
  4. Step 4: Simplify right side
    13,277.71x = 124,243,341.32
  5. Step 5: Solve for x
    x = 124,243,341.32/13,277.71
  6. Step 6: Final answer
    x = 9,357.29

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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.