Home / 19,903.88-29,782.18-12,010.96

Finding the Fourth Proportional to 19,903.88, 29,782.18 and 12,010.96

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Solution

The fourth proportional to 19,903.88, 29,782.18 and 12,010.96 is: 17,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.88 : 29,782.18 = 12,010.96 : x
  2. Step 2: Convert to fraction form
    19,903.88/29,782.18 = 12,010.96/x
  3. Step 3: Cross multiply
    19,903.88x = 29,782.18 × 12,010.96
  4. Step 4: Simplify right side
    19,903.88x = 357,712,572.69
  5. Step 5: Solve for x
    x = 357,712,572.69/19,903.88
  6. Step 6: Final answer
    x = 17,972.00

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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.