Home / 19,007.12-28,502.46-7,312.13

Finding the Fourth Proportional to 19,007.12, 28,502.46 and 7,312.13

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Solution

The fourth proportional to 19,007.12, 28,502.46 and 7,312.13 is: 10,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.12 : 28,502.46 = 7,312.13 : x
  2. Step 2: Convert to fraction form
    19,007.12/28,502.46 = 7,312.13/x
  3. Step 3: Cross multiply
    19,007.12x = 28,502.46 × 7,312.13
  4. Step 4: Simplify right side
    19,007.12x = 208,413,550.33
  5. Step 5: Solve for x
    x = 208,413,550.33/19,007.12
  6. Step 6: Final answer
    x = 10,965.03

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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.