Home / 34,215.80-51,308.05-10,515.08

Finding the Fourth Proportional to 34,215.80, 51,308.05 and 10,515.08

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Solution

The fourth proportional to 34,215.80, 51,308.05 and 10,515.08 is: 15,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215.80 : 51,308.05 = 10,515.08 : x
  2. Step 2: Convert to fraction form
    34,215.80/51,308.05 = 10,515.08/x
  3. Step 3: Cross multiply
    34,215.80x = 51,308.05 × 10,515.08
  4. Step 4: Simplify right side
    34,215.80x = 539,508,535.77
  5. Step 5: Solve for x
    x = 539,508,535.77/34,215.80
  6. Step 6: Final answer
    x = 15,767.82

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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.