Home / 13,948.76-20,918.70-4,586.62

Finding the Fourth Proportional to 13,948.76, 20,918.70 and 4,586.62

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Solution

The fourth proportional to 13,948.76, 20,918.70 and 4,586.62 is: 6,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.76 : 20,918.70 = 4,586.62 : x
  2. Step 2: Convert to fraction form
    13,948.76/20,918.70 = 4,586.62/x
  3. Step 3: Cross multiply
    13,948.76x = 20,918.70 × 4,586.62
  4. Step 4: Simplify right side
    13,948.76x = 95,946,127.79
  5. Step 5: Solve for x
    x = 95,946,127.79/13,948.76
  6. Step 6: Final answer
    x = 6,878.47

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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.