Home / 13,178.85-19,774.77-6,159.34

Finding the Fourth Proportional to 13,178.85, 19,774.77 and 6,159.34

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Solution

The fourth proportional to 13,178.85, 19,774.77 and 6,159.34 is: 9,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.85 : 19,774.77 = 6,159.34 : x
  2. Step 2: Convert to fraction form
    13,178.85/19,774.77 = 6,159.34/x
  3. Step 3: Cross multiply
    13,178.85x = 19,774.77 × 6,159.34
  4. Step 4: Simplify right side
    13,178.85x = 121,799,533.47
  5. Step 5: Solve for x
    x = 121,799,533.47/13,178.85
  6. Step 6: Final answer
    x = 9,242.05

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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.