Home / 13,534.02-20,298.24-5,211.18

Finding the Fourth Proportional to 13,534.02, 20,298.24 and 5,211.18

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Solution

The fourth proportional to 13,534.02, 20,298.24 and 5,211.18 is: 7,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.02 : 20,298.24 = 5,211.18 : x
  2. Step 2: Convert to fraction form
    13,534.02/20,298.24 = 5,211.18/x
  3. Step 3: Cross multiply
    13,534.02x = 20,298.24 × 5,211.18
  4. Step 4: Simplify right side
    13,534.02x = 105,777,782.32
  5. Step 5: Solve for x
    x = 105,777,782.32/13,534.02
  6. Step 6: Final answer
    x = 7,815.70

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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.