Home / 19,038.16-28,537.80-9,660.88

Finding the Fourth Proportional to 19,038.16, 28,537.80 and 9,660.88

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Solution

The fourth proportional to 19,038.16, 28,537.80 and 9,660.88 is: 14,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.16 : 28,537.80 = 9,660.88 : x
  2. Step 2: Convert to fraction form
    19,038.16/28,537.80 = 9,660.88/x
  3. Step 3: Cross multiply
    19,038.16x = 28,537.80 × 9,660.88
  4. Step 4: Simplify right side
    19,038.16x = 275,700,261.26
  5. Step 5: Solve for x
    x = 275,700,261.26/19,038.16
  6. Step 6: Final answer
    x = 14,481.46

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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.