Home / 11,437.93-15,783.01-6,402.43

Finding the Fourth Proportional to 11,437.93, 15,783.01 and 6,402.43

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Solution

The fourth proportional to 11,437.93, 15,783.01 and 6,402.43 is: 8,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.93 : 15,783.01 = 6,402.43 : x
  2. Step 2: Convert to fraction form
    11,437.93/15,783.01 = 6,402.43/x
  3. Step 3: Cross multiply
    11,437.93x = 15,783.01 × 6,402.43
  4. Step 4: Simplify right side
    11,437.93x = 101,049,616.71
  5. Step 5: Solve for x
    x = 101,049,616.71/11,437.93
  6. Step 6: Final answer
    x = 8,834.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.