Home / 13,427.04-20,140.48-5,219.04

Finding the Fourth Proportional to 13,427.04, 20,140.48 and 5,219.04

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Solution

The fourth proportional to 13,427.04, 20,140.48 and 5,219.04 is: 7,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.04 : 20,140.48 = 5,219.04 : x
  2. Step 2: Convert to fraction form
    13,427.04/20,140.48 = 5,219.04/x
  3. Step 3: Cross multiply
    13,427.04x = 20,140.48 × 5,219.04
  4. Step 4: Simplify right side
    13,427.04x = 105,113,970.74
  5. Step 5: Solve for x
    x = 105,113,970.74/13,427.04
  6. Step 6: Final answer
    x = 7,828.53

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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.