Home / 14,141.61-21,211.20-4,283.10

Finding the Fourth Proportional to 14,141.61, 21,211.20 and 4,283.10

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Solution

The fourth proportional to 14,141.61, 21,211.20 and 4,283.10 is: 6,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.61 : 21,211.20 = 4,283.10 : x
  2. Step 2: Convert to fraction form
    14,141.61/21,211.20 = 4,283.10/x
  3. Step 3: Cross multiply
    14,141.61x = 21,211.20 × 4,283.10
  4. Step 4: Simplify right side
    14,141.61x = 90,849,690.72
  5. Step 5: Solve for x
    x = 90,849,690.72/14,141.61
  6. Step 6: Final answer
    x = 6,424.28

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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.