Home / 13,717.48-20,574.10-4,356.28

Finding the Fourth Proportional to 13,717.48, 20,574.10 and 4,356.28

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Solution

The fourth proportional to 13,717.48, 20,574.10 and 4,356.28 is: 6,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.48 : 20,574.10 = 4,356.28 : x
  2. Step 2: Convert to fraction form
    13,717.48/20,574.10 = 4,356.28/x
  3. Step 3: Cross multiply
    13,717.48x = 20,574.10 × 4,356.28
  4. Step 4: Simplify right side
    13,717.48x = 89,626,540.35
  5. Step 5: Solve for x
    x = 89,626,540.35/13,717.48
  6. Step 6: Final answer
    x = 6,533.75

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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.