Home / 14,762.20-22,143.30-12,818.20

Finding the Fourth Proportional to 14,762.20, 22,143.30 and 12,818.20

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Solution

The fourth proportional to 14,762.20, 22,143.30 and 12,818.20 is: 19,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.20 : 22,143.30 = 12,818.20 : x
  2. Step 2: Convert to fraction form
    14,762.20/22,143.30 = 12,818.20/x
  3. Step 3: Cross multiply
    14,762.20x = 22,143.30 × 12,818.20
  4. Step 4: Simplify right side
    14,762.20x = 283,837,248.06
  5. Step 5: Solve for x
    x = 283,837,248.06/14,762.20
  6. Step 6: Final answer
    x = 19,227.30

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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.