Home / 13,488.81-20,235.06-4,601.75

Finding the Fourth Proportional to 13,488.81, 20,235.06 and 4,601.75

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Solution

The fourth proportional to 13,488.81, 20,235.06 and 4,601.75 is: 6,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.81 : 20,235.06 = 4,601.75 : x
  2. Step 2: Convert to fraction form
    13,488.81/20,235.06 = 4,601.75/x
  3. Step 3: Cross multiply
    13,488.81x = 20,235.06 × 4,601.75
  4. Step 4: Simplify right side
    13,488.81x = 93,116,732.34
  5. Step 5: Solve for x
    x = 93,116,732.34/13,488.81
  6. Step 6: Final answer
    x = 6,903.26

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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.