Home / 19,981.96-29,955.93-12,196.24

Finding the Fourth Proportional to 19,981.96, 29,955.93 and 12,196.24

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Solution

The fourth proportional to 19,981.96, 29,955.93 and 12,196.24 is: 18,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.96 : 29,955.93 = 12,196.24 : x
  2. Step 2: Convert to fraction form
    19,981.96/29,955.93 = 12,196.24/x
  3. Step 3: Cross multiply
    19,981.96x = 29,955.93 × 12,196.24
  4. Step 4: Simplify right side
    19,981.96x = 365,349,711.70
  5. Step 5: Solve for x
    x = 365,349,711.70/19,981.96
  6. Step 6: Final answer
    x = 18,283.98

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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.