Home / 19,002.97-28,510.60-9,140.96

Finding the Fourth Proportional to 19,002.97, 28,510.60 and 9,140.96

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Solution

The fourth proportional to 19,002.97, 28,510.60 and 9,140.96 is: 13,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.97 : 28,510.60 = 9,140.96 : x
  2. Step 2: Convert to fraction form
    19,002.97/28,510.60 = 9,140.96/x
  3. Step 3: Cross multiply
    19,002.97x = 28,510.60 × 9,140.96
  4. Step 4: Simplify right side
    19,002.97x = 260,614,254.18
  5. Step 5: Solve for x
    x = 260,614,254.18/19,002.97
  6. Step 6: Final answer
    x = 13,714.40

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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.