Home / 14,158.81-21,235.60-6,558.31

Finding the Fourth Proportional to 14,158.81, 21,235.60 and 6,558.31

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Solution

The fourth proportional to 14,158.81, 21,235.60 and 6,558.31 is: 9,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.81 : 21,235.60 = 6,558.31 : x
  2. Step 2: Convert to fraction form
    14,158.81/21,235.60 = 6,558.31/x
  3. Step 3: Cross multiply
    14,158.81x = 21,235.60 × 6,558.31
  4. Step 4: Simplify right side
    14,158.81x = 139,269,647.84
  5. Step 5: Solve for x
    x = 139,269,647.84/14,158.81
  6. Step 6: Final answer
    x = 9,836.25

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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.