Home / 13,705.52-20,544.57-6,315.32

Finding the Fourth Proportional to 13,705.52, 20,544.57 and 6,315.32

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Solution

The fourth proportional to 13,705.52, 20,544.57 and 6,315.32 is: 9,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.52 : 20,544.57 = 6,315.32 : x
  2. Step 2: Convert to fraction form
    13,705.52/20,544.57 = 6,315.32/x
  3. Step 3: Cross multiply
    13,705.52x = 20,544.57 × 6,315.32
  4. Step 4: Simplify right side
    13,705.52x = 129,745,533.81
  5. Step 5: Solve for x
    x = 129,745,533.81/13,705.52
  6. Step 6: Final answer
    x = 9,466.66

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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.