Home / 9,154.12-13,730.83-2,580.13

Finding the Fourth Proportional to 9,154.12, 13,730.83 and 2,580.13

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Solution

The fourth proportional to 9,154.12, 13,730.83 and 2,580.13 is: 3,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.12 : 13,730.83 = 2,580.13 : x
  2. Step 2: Convert to fraction form
    9,154.12/13,730.83 = 2,580.13/x
  3. Step 3: Cross multiply
    9,154.12x = 13,730.83 × 2,580.13
  4. Step 4: Simplify right side
    9,154.12x = 35,427,326.41
  5. Step 5: Solve for x
    x = 35,427,326.41/9,154.12
  6. Step 6: Final answer
    x = 3,870.10

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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.