Home / 19,604.16-29,416.40-9,743.20

Finding the Fourth Proportional to 19,604.16, 29,416.40 and 9,743.20

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Solution

The fourth proportional to 19,604.16, 29,416.40 and 9,743.20 is: 14,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.16 : 29,416.40 = 9,743.20 : x
  2. Step 2: Convert to fraction form
    19,604.16/29,416.40 = 9,743.20/x
  3. Step 3: Cross multiply
    19,604.16x = 29,416.40 × 9,743.20
  4. Step 4: Simplify right side
    19,604.16x = 286,609,868.48
  5. Step 5: Solve for x
    x = 286,609,868.48/19,604.16
  6. Step 6: Final answer
    x = 14,619.85

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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.