Home / 20,235.65-30,341.72-6,191.67

Finding the Fourth Proportional to 20,235.65, 30,341.72 and 6,191.67

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Solution

The fourth proportional to 20,235.65, 30,341.72 and 6,191.67 is: 9,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.65 : 30,341.72 = 6,191.67 : x
  2. Step 2: Convert to fraction form
    20,235.65/30,341.72 = 6,191.67/x
  3. Step 3: Cross multiply
    20,235.65x = 30,341.72 × 6,191.67
  4. Step 4: Simplify right side
    20,235.65x = 187,865,886.51
  5. Step 5: Solve for x
    x = 187,865,886.51/20,235.65
  6. Step 6: Final answer
    x = 9,283.91

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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.