Home / 19,861.84-29,792.12-5,070.70

Finding the Fourth Proportional to 19,861.84, 29,792.12 and 5,070.70

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Solution

The fourth proportional to 19,861.84, 29,792.12 and 5,070.70 is: 7,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.84 : 29,792.12 = 5,070.70 : x
  2. Step 2: Convert to fraction form
    19,861.84/29,792.12 = 5,070.70/x
  3. Step 3: Cross multiply
    19,861.84x = 29,792.12 × 5,070.70
  4. Step 4: Simplify right side
    19,861.84x = 151,066,902.88
  5. Step 5: Solve for x
    x = 151,066,902.88/19,861.84
  6. Step 6: Final answer
    x = 7,605.89

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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.