Home / 19,740.04-29,614.93-13,908.04

Finding the Fourth Proportional to 19,740.04, 29,614.93 and 13,908.04

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Solution

The fourth proportional to 19,740.04, 29,614.93 and 13,908.04 is: 20,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.04 : 29,614.93 = 13,908.04 : x
  2. Step 2: Convert to fraction form
    19,740.04/29,614.93 = 13,908.04/x
  3. Step 3: Cross multiply
    19,740.04x = 29,614.93 × 13,908.04
  4. Step 4: Simplify right side
    19,740.04x = 411,885,522.23
  5. Step 5: Solve for x
    x = 411,885,522.23/19,740.04
  6. Step 6: Final answer
    x = 20,865.49

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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.