Home / 15,783.42-23,677.38-7,345.86

Finding the Fourth Proportional to 15,783.42, 23,677.38 and 7,345.86

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Solution

The fourth proportional to 15,783.42, 23,677.38 and 7,345.86 is: 11,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.42 : 23,677.38 = 7,345.86 : x
  2. Step 2: Convert to fraction form
    15,783.42/23,677.38 = 7,345.86/x
  3. Step 3: Cross multiply
    15,783.42x = 23,677.38 × 7,345.86
  4. Step 4: Simplify right side
    15,783.42x = 173,930,718.65
  5. Step 5: Solve for x
    x = 173,930,718.65/15,783.42
  6. Step 6: Final answer
    x = 11,019.84

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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.