Home / 19,598.16-29,379.48-12,580.17

Finding the Fourth Proportional to 19,598.16, 29,379.48 and 12,580.17

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Solution

The fourth proportional to 19,598.16, 29,379.48 and 12,580.17 is: 18,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.16 : 29,379.48 = 12,580.17 : x
  2. Step 2: Convert to fraction form
    19,598.16/29,379.48 = 12,580.17/x
  3. Step 3: Cross multiply
    19,598.16x = 29,379.48 × 12,580.17
  4. Step 4: Simplify right side
    19,598.16x = 369,598,852.91
  5. Step 5: Solve for x
    x = 369,598,852.91/19,598.16
  6. Step 6: Final answer
    x = 18,858.85

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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.