Home / 18,482.36-27,723.58-4,631.40

Finding the Fourth Proportional to 18,482.36, 27,723.58 and 4,631.40

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Solution

The fourth proportional to 18,482.36, 27,723.58 and 4,631.40 is: 6,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.36 : 27,723.58 = 4,631.40 : x
  2. Step 2: Convert to fraction form
    18,482.36/27,723.58 = 4,631.40/x
  3. Step 3: Cross multiply
    18,482.36x = 27,723.58 × 4,631.40
  4. Step 4: Simplify right side
    18,482.36x = 128,398,988.41
  5. Step 5: Solve for x
    x = 128,398,988.41/18,482.36
  6. Step 6: Final answer
    x = 6,947.11

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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.