Home / 14,423.96-21,598.56-12,357.20

Finding the Fourth Proportional to 14,423.96, 21,598.56 and 12,357.20

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Solution

The fourth proportional to 14,423.96, 21,598.56 and 12,357.20 is: 18,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.96 : 21,598.56 = 12,357.20 : x
  2. Step 2: Convert to fraction form
    14,423.96/21,598.56 = 12,357.20/x
  3. Step 3: Cross multiply
    14,423.96x = 21,598.56 × 12,357.20
  4. Step 4: Simplify right side
    14,423.96x = 266,897,725.63
  5. Step 5: Solve for x
    x = 266,897,725.63/14,423.96
  6. Step 6: Final answer
    x = 18,503.78

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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.