Home / 12,953.83-19,428.64-4,632.43

Finding the Fourth Proportional to 12,953.83, 19,428.64 and 4,632.43

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Solution

The fourth proportional to 12,953.83, 19,428.64 and 4,632.43 is: 6,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.83 : 19,428.64 = 4,632.43 : x
  2. Step 2: Convert to fraction form
    12,953.83/19,428.64 = 4,632.43/x
  3. Step 3: Cross multiply
    12,953.83x = 19,428.64 × 4,632.43
  4. Step 4: Simplify right side
    12,953.83x = 90,001,814.80
  5. Step 5: Solve for x
    x = 90,001,814.80/12,953.83
  6. Step 6: Final answer
    x = 6,947.89

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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.