Home / 14,129.72-19,500.57-9,029.93

Finding the Fourth Proportional to 14,129.72, 19,500.57 and 9,029.93

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Solution

The fourth proportional to 14,129.72, 19,500.57 and 9,029.93 is: 12,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.72 : 19,500.57 = 9,029.93 : x
  2. Step 2: Convert to fraction form
    14,129.72/19,500.57 = 9,029.93/x
  3. Step 3: Cross multiply
    14,129.72x = 19,500.57 × 9,029.93
  4. Step 4: Simplify right side
    14,129.72x = 176,088,736.91
  5. Step 5: Solve for x
    x = 176,088,736.91/14,129.72
  6. Step 6: Final answer
    x = 12,462.30

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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.