Home / 14,065.87-21,098.85-5,298.43

Finding the Fourth Proportional to 14,065.87, 21,098.85 and 5,298.43

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Solution

The fourth proportional to 14,065.87, 21,098.85 and 5,298.43 is: 7,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.87 : 21,098.85 = 5,298.43 : x
  2. Step 2: Convert to fraction form
    14,065.87/21,098.85 = 5,298.43/x
  3. Step 3: Cross multiply
    14,065.87x = 21,098.85 × 5,298.43
  4. Step 4: Simplify right side
    14,065.87x = 111,790,779.81
  5. Step 5: Solve for x
    x = 111,790,779.81/14,065.87
  6. Step 6: Final answer
    x = 7,947.66

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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.