Home / 19,002.84-28,510.41-9,140.83

Finding the Fourth Proportional to 19,002.84, 28,510.41 and 9,140.83

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Solution

The fourth proportional to 19,002.84, 28,510.41 and 9,140.83 is: 13,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.84 : 28,510.41 = 9,140.83 : x
  2. Step 2: Convert to fraction form
    19,002.84/28,510.41 = 9,140.83/x
  3. Step 3: Cross multiply
    19,002.84x = 28,510.41 × 9,140.83
  4. Step 4: Simplify right side
    19,002.84x = 260,608,765.34
  5. Step 5: Solve for x
    x = 260,608,765.34/19,002.84
  6. Step 6: Final answer
    x = 13,714.20

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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.