Home / 11,412.93-15,737.43-7,426.65

Finding the Fourth Proportional to 11,412.93, 15,737.43 and 7,426.65

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Solution

The fourth proportional to 11,412.93, 15,737.43 and 7,426.65 is: 10,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.93 : 15,737.43 = 7,426.65 : x
  2. Step 2: Convert to fraction form
    11,412.93/15,737.43 = 7,426.65/x
  3. Step 3: Cross multiply
    11,412.93x = 15,737.43 × 7,426.65
  4. Step 4: Simplify right side
    11,412.93x = 116,876,384.51
  5. Step 5: Solve for x
    x = 116,876,384.51/11,412.93
  6. Step 6: Final answer
    x = 10,240.70

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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.