Home / 14,763.79-22,139.02-4,231.40

Finding the Fourth Proportional to 14,763.79, 22,139.02 and 4,231.40

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Solution

The fourth proportional to 14,763.79, 22,139.02 and 4,231.40 is: 6,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.79 : 22,139.02 = 4,231.40 : x
  2. Step 2: Convert to fraction form
    14,763.79/22,139.02 = 4,231.40/x
  3. Step 3: Cross multiply
    14,763.79x = 22,139.02 × 4,231.40
  4. Step 4: Simplify right side
    14,763.79x = 93,679,028.07
  5. Step 5: Solve for x
    x = 93,679,028.07/14,763.79
  6. Step 6: Final answer
    x = 6,345.19

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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.