Home / 14,355.51-21,543.80-9,423.42

Finding the Fourth Proportional to 14,355.51, 21,543.80 and 9,423.42

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Solution

The fourth proportional to 14,355.51, 21,543.80 and 9,423.42 is: 14,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.51 : 21,543.80 = 9,423.42 : x
  2. Step 2: Convert to fraction form
    14,355.51/21,543.80 = 9,423.42/x
  3. Step 3: Cross multiply
    14,355.51x = 21,543.80 × 9,423.42
  4. Step 4: Simplify right side
    14,355.51x = 203,016,228.68
  5. Step 5: Solve for x
    x = 203,016,228.68/14,355.51
  6. Step 6: Final answer
    x = 14,142.04

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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.