Home / 15,045.80-22,589.40-7,655.26

Finding the Fourth Proportional to 15,045.80, 22,589.40 and 7,655.26

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Solution

The fourth proportional to 15,045.80, 22,589.40 and 7,655.26 is: 11,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.80 : 22,589.40 = 7,655.26 : x
  2. Step 2: Convert to fraction form
    15,045.80/22,589.40 = 7,655.26/x
  3. Step 3: Cross multiply
    15,045.80x = 22,589.40 × 7,655.26
  4. Step 4: Simplify right side
    15,045.80x = 172,927,730.24
  5. Step 5: Solve for x
    x = 172,927,730.24/15,045.80
  6. Step 6: Final answer
    x = 11,493.42

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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.