Home / 14,355.55-21,490.80-10,674.10

Finding the Fourth Proportional to 14,355.55, 21,490.80 and 10,674.10

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Solution

The fourth proportional to 14,355.55, 21,490.80 and 10,674.10 is: 15,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.55 : 21,490.80 = 10,674.10 : x
  2. Step 2: Convert to fraction form
    14,355.55/21,490.80 = 10,674.10/x
  3. Step 3: Cross multiply
    14,355.55x = 21,490.80 × 10,674.10
  4. Step 4: Simplify right side
    14,355.55x = 229,394,948.28
  5. Step 5: Solve for x
    x = 229,394,948.28/14,355.55
  6. Step 6: Final answer
    x = 15,979.53

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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.