Home / 14,102.61-19,462.37-7,814.85

Finding the Fourth Proportional to 14,102.61, 19,462.37 and 7,814.85

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Solution

The fourth proportional to 14,102.61, 19,462.37 and 7,814.85 is: 10,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.61 : 19,462.37 = 7,814.85 : x
  2. Step 2: Convert to fraction form
    14,102.61/19,462.37 = 7,814.85/x
  3. Step 3: Cross multiply
    14,102.61x = 19,462.37 × 7,814.85
  4. Step 4: Simplify right side
    14,102.61x = 152,095,502.19
  5. Step 5: Solve for x
    x = 152,095,502.19/14,102.61
  6. Step 6: Final answer
    x = 10,784.92

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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.