Home / 14,632.04-20,192.16-7,917.65

Finding the Fourth Proportional to 14,632.04, 20,192.16 and 7,917.65

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Solution

The fourth proportional to 14,632.04, 20,192.16 and 7,917.65 is: 10,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.04 : 20,192.16 = 7,917.65 : x
  2. Step 2: Convert to fraction form
    14,632.04/20,192.16 = 7,917.65/x
  3. Step 3: Cross multiply
    14,632.04x = 20,192.16 × 7,917.65
  4. Step 4: Simplify right side
    14,632.04x = 159,874,437.81
  5. Step 5: Solve for x
    x = 159,874,437.81/14,632.04
  6. Step 6: Final answer
    x = 10,926.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.