Home / 19,670.90-29,463.15-15,253.70

Finding the Fourth Proportional to 19,670.90, 29,463.15 and 15,253.70

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Solution

The fourth proportional to 19,670.90, 29,463.15 and 15,253.70 is: 22,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.90 : 29,463.15 = 15,253.70 : x
  2. Step 2: Convert to fraction form
    19,670.90/29,463.15 = 15,253.70/x
  3. Step 3: Cross multiply
    19,670.90x = 29,463.15 × 15,253.70
  4. Step 4: Simplify right side
    19,670.90x = 449,422,051.16
  5. Step 5: Solve for x
    x = 449,422,051.16/19,670.90
  6. Step 6: Final answer
    x = 22,847.05

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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.