Home / 19,444.48-29,166.40-12,563.20

Finding the Fourth Proportional to 19,444.48, 29,166.40 and 12,563.20

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Solution

The fourth proportional to 19,444.48, 29,166.40 and 12,563.20 is: 18,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.48 : 29,166.40 = 12,563.20 : x
  2. Step 2: Convert to fraction form
    19,444.48/29,166.40 = 12,563.20/x
  3. Step 3: Cross multiply
    19,444.48x = 29,166.40 × 12,563.20
  4. Step 4: Simplify right side
    19,444.48x = 366,423,316.48
  5. Step 5: Solve for x
    x = 366,423,316.48/19,444.48
  6. Step 6: Final answer
    x = 18,844.59

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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.