Home / 19,445.40-29,168.10-14,455.80

Finding the Fourth Proportional to 19,445.40, 29,168.10 and 14,455.80

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Solution

The fourth proportional to 19,445.40, 29,168.10 and 14,455.80 is: 21,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.40 : 29,168.10 = 14,455.80 : x
  2. Step 2: Convert to fraction form
    19,445.40/29,168.10 = 14,455.80/x
  3. Step 3: Cross multiply
    19,445.40x = 29,168.10 × 14,455.80
  4. Step 4: Simplify right side
    19,445.40x = 421,648,219.98
  5. Step 5: Solve for x
    x = 421,648,219.98/19,445.40
  6. Step 6: Final answer
    x = 21,683.70

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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.