Home / 19,723.74-29,581.38-5,681.15

Finding the Fourth Proportional to 19,723.74, 29,581.38 and 5,681.15

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Solution

The fourth proportional to 19,723.74, 29,581.38 and 5,681.15 is: 8,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.74 : 29,581.38 = 5,681.15 : x
  2. Step 2: Convert to fraction form
    19,723.74/29,581.38 = 5,681.15/x
  3. Step 3: Cross multiply
    19,723.74x = 29,581.38 × 5,681.15
  4. Step 4: Simplify right side
    19,723.74x = 168,056,080.67
  5. Step 5: Solve for x
    x = 168,056,080.67/19,723.74
  6. Step 6: Final answer
    x = 8,520.50

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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.