Home / 13,290.95-19,935.82-4,525.91

Finding the Fourth Proportional to 13,290.95, 19,935.82 and 4,525.91

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Solution

The fourth proportional to 13,290.95, 19,935.82 and 4,525.91 is: 6,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.95 : 19,935.82 = 4,525.91 : x
  2. Step 2: Convert to fraction form
    13,290.95/19,935.82 = 4,525.91/x
  3. Step 3: Cross multiply
    13,290.95x = 19,935.82 × 4,525.91
  4. Step 4: Simplify right side
    13,290.95x = 90,227,727.10
  5. Step 5: Solve for x
    x = 90,227,727.10/13,290.95
  6. Step 6: Final answer
    x = 6,788.66

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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.