Home / 14,352.18-21,489.38-7,412.10

Finding the Fourth Proportional to 14,352.18, 21,489.38 and 7,412.10

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Solution

The fourth proportional to 14,352.18, 21,489.38 and 7,412.10 is: 11,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.18 : 21,489.38 = 7,412.10 : x
  2. Step 2: Convert to fraction form
    14,352.18/21,489.38 = 7,412.10/x
  3. Step 3: Cross multiply
    14,352.18x = 21,489.38 × 7,412.10
  4. Step 4: Simplify right side
    14,352.18x = 159,281,433.50
  5. Step 5: Solve for x
    x = 159,281,433.50/14,352.18
  6. Step 6: Final answer
    x = 11,098.07

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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.