Home / 19,890.04-29,838.53-8,043.34

Finding the Fourth Proportional to 19,890.04, 29,838.53 and 8,043.34

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Solution

The fourth proportional to 19,890.04, 29,838.53 and 8,043.34 is: 12,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.04 : 29,838.53 = 8,043.34 : x
  2. Step 2: Convert to fraction form
    19,890.04/29,838.53 = 8,043.34/x
  3. Step 3: Cross multiply
    19,890.04x = 29,838.53 × 8,043.34
  4. Step 4: Simplify right side
    19,890.04x = 240,001,441.89
  5. Step 5: Solve for x
    x = 240,001,441.89/19,890.04
  6. Step 6: Final answer
    x = 12,066.41

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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.