Home / 19,861.43-29,792.13-5,070.35

Finding the Fourth Proportional to 19,861.43, 29,792.13 and 5,070.35

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Solution

The fourth proportional to 19,861.43, 29,792.13 and 5,070.35 is: 7,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.43 : 29,792.13 = 5,070.35 : x
  2. Step 2: Convert to fraction form
    19,861.43/29,792.13 = 5,070.35/x
  3. Step 3: Cross multiply
    19,861.43x = 29,792.13 × 5,070.35
  4. Step 4: Simplify right side
    19,861.43x = 151,056,526.35
  5. Step 5: Solve for x
    x = 151,056,526.35/19,861.43
  6. Step 6: Final answer
    x = 7,605.52

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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.