Home / 20,569.23-30,855.47-7,422.93

Finding the Fourth Proportional to 20,569.23, 30,855.47 and 7,422.93

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Solution

The fourth proportional to 20,569.23, 30,855.47 and 7,422.93 is: 11,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.23 : 30,855.47 = 7,422.93 : x
  2. Step 2: Convert to fraction form
    20,569.23/30,855.47 = 7,422.93/x
  3. Step 3: Cross multiply
    20,569.23x = 30,855.47 × 7,422.93
  4. Step 4: Simplify right side
    20,569.23x = 229,037,956.81
  5. Step 5: Solve for x
    x = 229,037,956.81/20,569.23
  6. Step 6: Final answer
    x = 11,134.98

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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.