Home / 13,535.02-20,299.74-5,212.18

Finding the Fourth Proportional to 13,535.02, 20,299.74 and 5,212.18

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Solution

The fourth proportional to 13,535.02, 20,299.74 and 5,212.18 is: 7,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.02 : 20,299.74 = 5,212.18 : x
  2. Step 2: Convert to fraction form
    13,535.02/20,299.74 = 5,212.18/x
  3. Step 3: Cross multiply
    13,535.02x = 20,299.74 × 5,212.18
  4. Step 4: Simplify right side
    13,535.02x = 105,805,898.83
  5. Step 5: Solve for x
    x = 105,805,898.83/13,535.02
  6. Step 6: Final answer
    x = 7,817.20

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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.