Home / 19,707.59-29,508.53-12,297.30

Finding the Fourth Proportional to 19,707.59, 29,508.53 and 12,297.30

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Solution

The fourth proportional to 19,707.59, 29,508.53 and 12,297.30 is: 18,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.59 : 29,508.53 = 12,297.30 : x
  2. Step 2: Convert to fraction form
    19,707.59/29,508.53 = 12,297.30/x
  3. Step 3: Cross multiply
    19,707.59x = 29,508.53 × 12,297.30
  4. Step 4: Simplify right side
    19,707.59x = 362,875,184.48
  5. Step 5: Solve for x
    x = 362,875,184.48/19,707.59
  6. Step 6: Final answer
    x = 18,412.97

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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.