Home / 14,985.90-22,478.85-3,891.67

Finding the Fourth Proportional to 14,985.90, 22,478.85 and 3,891.67

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Solution

The fourth proportional to 14,985.90, 22,478.85 and 3,891.67 is: 5,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.90 : 22,478.85 = 3,891.67 : x
  2. Step 2: Convert to fraction form
    14,985.90/22,478.85 = 3,891.67/x
  3. Step 3: Cross multiply
    14,985.90x = 22,478.85 × 3,891.67
  4. Step 4: Simplify right side
    14,985.90x = 87,480,209.98
  5. Step 5: Solve for x
    x = 87,480,209.98/14,985.90
  6. Step 6: Final answer
    x = 5,837.50

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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.