Home / 19,154.53-28,731.70-4,922.99

Finding the Fourth Proportional to 19,154.53, 28,731.70 and 4,922.99

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Solution

The fourth proportional to 19,154.53, 28,731.70 and 4,922.99 is: 7,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.53 : 28,731.70 = 4,922.99 : x
  2. Step 2: Convert to fraction form
    19,154.53/28,731.70 = 4,922.99/x
  3. Step 3: Cross multiply
    19,154.53x = 28,731.70 × 4,922.99
  4. Step 4: Simplify right side
    19,154.53x = 141,445,931.30
  5. Step 5: Solve for x
    x = 141,445,931.30/19,154.53
  6. Step 6: Final answer
    x = 7,384.46

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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.