Home / 10,381.86-15,572.79-2,590.67

Finding the Fourth Proportional to 10,381.86, 15,572.79 and 2,590.67

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Solution

The fourth proportional to 10,381.86, 15,572.79 and 2,590.67 is: 3,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.86 : 15,572.79 = 2,590.67 : x
  2. Step 2: Convert to fraction form
    10,381.86/15,572.79 = 2,590.67/x
  3. Step 3: Cross multiply
    10,381.86x = 15,572.79 × 2,590.67
  4. Step 4: Simplify right side
    10,381.86x = 40,343,998.80
  5. Step 5: Solve for x
    x = 40,343,998.80/10,381.86
  6. Step 6: Final answer
    x = 3,886.01

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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.