Home / 19,898.01-29,847.15-9,478.17

Finding the Fourth Proportional to 19,898.01, 29,847.15 and 9,478.17

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Solution

The fourth proportional to 19,898.01, 29,847.15 and 9,478.17 is: 14,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.01 : 29,847.15 = 9,478.17 : x
  2. Step 2: Convert to fraction form
    19,898.01/29,847.15 = 9,478.17/x
  3. Step 3: Cross multiply
    19,898.01x = 29,847.15 × 9,478.17
  4. Step 4: Simplify right side
    19,898.01x = 282,896,361.72
  5. Step 5: Solve for x
    x = 282,896,361.72/19,898.01
  6. Step 6: Final answer
    x = 14,217.32

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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.