Home / 18,535.65-27,807.57-5,386.92

Finding the Fourth Proportional to 18,535.65, 27,807.57 and 5,386.92

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Solution

The fourth proportional to 18,535.65, 27,807.57 and 5,386.92 is: 8,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.65 : 27,807.57 = 5,386.92 : x
  2. Step 2: Convert to fraction form
    18,535.65/27,807.57 = 5,386.92/x
  3. Step 3: Cross multiply
    18,535.65x = 27,807.57 × 5,386.92
  4. Step 4: Simplify right side
    18,535.65x = 149,797,050.71
  5. Step 5: Solve for x
    x = 149,797,050.71/18,535.65
  6. Step 6: Final answer
    x = 8,081.57

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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.