Home / 14,393.37-19,864.29-8,424.69

Finding the Fourth Proportional to 14,393.37, 19,864.29 and 8,424.69

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Solution

The fourth proportional to 14,393.37, 19,864.29 and 8,424.69 is: 11,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.37 : 19,864.29 = 8,424.69 : x
  2. Step 2: Convert to fraction form
    14,393.37/19,864.29 = 8,424.69/x
  3. Step 3: Cross multiply
    14,393.37x = 19,864.29 × 8,424.69
  4. Step 4: Simplify right side
    14,393.37x = 167,350,485.32
  5. Step 5: Solve for x
    x = 167,350,485.32/14,393.37
  6. Step 6: Final answer
    x = 11,626.91

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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.