Home / 13,178.13-19,762.23-4,291.14

Finding the Fourth Proportional to 13,178.13, 19,762.23 and 4,291.14

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Solution

The fourth proportional to 13,178.13, 19,762.23 and 4,291.14 is: 6,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.13 : 19,762.23 = 4,291.14 : x
  2. Step 2: Convert to fraction form
    13,178.13/19,762.23 = 4,291.14/x
  3. Step 3: Cross multiply
    13,178.13x = 19,762.23 × 4,291.14
  4. Step 4: Simplify right side
    13,178.13x = 84,802,561.70
  5. Step 5: Solve for x
    x = 84,802,561.70/13,178.13
  6. Step 6: Final answer
    x = 6,435.10

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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.