Home / 13,572.04-20,354.78-5,670.28

Finding the Fourth Proportional to 13,572.04, 20,354.78 and 5,670.28

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Solution

The fourth proportional to 13,572.04, 20,354.78 and 5,670.28 is: 8,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.04 : 20,354.78 = 5,670.28 : x
  2. Step 2: Convert to fraction form
    13,572.04/20,354.78 = 5,670.28/x
  3. Step 3: Cross multiply
    13,572.04x = 20,354.78 × 5,670.28
  4. Step 4: Simplify right side
    13,572.04x = 115,417,273.59
  5. Step 5: Solve for x
    x = 115,417,273.59/13,572.04
  6. Step 6: Final answer
    x = 8,504.05

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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.