Home / 19,840.44-29,760.67-15,461.18

Finding the Fourth Proportional to 19,840.44, 29,760.67 and 15,461.18

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Solution

The fourth proportional to 19,840.44, 29,760.67 and 15,461.18 is: 23,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.44 : 29,760.67 = 15,461.18 : x
  2. Step 2: Convert to fraction form
    19,840.44/29,760.67 = 15,461.18/x
  3. Step 3: Cross multiply
    19,840.44x = 29,760.67 × 15,461.18
  4. Step 4: Simplify right side
    19,840.44x = 460,134,970.95
  5. Step 5: Solve for x
    x = 460,134,970.95/19,840.44
  6. Step 6: Final answer
    x = 23,191.77

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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.