Home / 15,683.59-21,633.50-9,305.67

Finding the Fourth Proportional to 15,683.59, 21,633.50 and 9,305.67

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Solution

The fourth proportional to 15,683.59, 21,633.50 and 9,305.67 is: 12,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.59 : 21,633.50 = 9,305.67 : x
  2. Step 2: Convert to fraction form
    15,683.59/21,633.50 = 9,305.67/x
  3. Step 3: Cross multiply
    15,683.59x = 21,633.50 × 9,305.67
  4. Step 4: Simplify right side
    15,683.59x = 201,314,235.21
  5. Step 5: Solve for x
    x = 201,314,235.21/15,683.59
  6. Step 6: Final answer
    x = 12,835.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.